461796615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 1004230656

約数和(自身を除く): 542434041

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 31, 35, 45, 57, 63, 93, 95, 105, 131, 133, 155, 171, 217, 279, 285, 315, 361, 393, 399, 465, 589, 651, 655, 665, 855, 917, 1083, 1085, 1179, 1197, 1395, 1767, 1805, 1953, 1965, 1995, 2489, 2527, 2751, 2945, 3249, 3255, 4061, 4123, 4585, 5301, 5415, 5895, 5985, 7467, 7581, 8253, 8835, 9765, 11191, 12183, 12369, 12445, 12635, 13755, 16245, 17423, 20305, 20615, 22401, 22743, 26505, 28427, 33573, 36549, 37107, 37335, 37905, 41265, 47291, 52269, 55955, 60915, 61845, 77159, 78337, 85281, 87115, 100719, 112005, 113715, 141873, 142135, 156807, 167865, 182745, 185535, 231477, 235011, 236455, 255843, 261345, 331037, 385795, 391685, 425619, 426405, 503595, 540113, 694431, 705033, 709365, 784035, 993111, 1157385, 1175055, 1279215, 1466021, 1620339, 1655185, 2128095, 2700565, 2979333, 3472155, 3525165, 4398063, 4861017, 4965555, 7330105, 8101695, 10262147, 13194189, 14896665, 21990315, 24305085, 30786441, 51310735, 65970945, 92359323, 153932205, 461796615]

約数ペア:

[(1, 461796615), (3, 153932205), (5, 92359323), (7, 65970945), (9, 51310735), (15, 30786441), (19, 24305085), (21, 21990315), (31, 14896665), (35, 13194189), (45, 10262147), (57, 8101695), (63, 7330105), (93, 4965555), (95, 4861017), (105, 4398063), (131, 3525165), (133, 3472155), (155, 2979333), (171, 2700565), (217, 2128095), (279, 1655185), (285, 1620339), (315, 1466021), (361, 1279215), (393, 1175055), (399, 1157385), (465, 993111), (589, 784035), (651, 709365), (655, 705033), (665, 694431), (855, 540113), (917, 503595), (1083, 426405), (1085, 425619), (1179, 391685), (1197, 385795), (1395, 331037), (1767, 261345), (1805, 255843), (1953, 236455), (1965, 235011), (1995, 231477), (2489, 185535), (2527, 182745), (2751, 167865), (2945, 156807), (3249, 142135), (3255, 141873), (4061, 113715), (4123, 112005), (4585, 100719), (5301, 87115), (5415, 85281), (5895, 78337), (5985, 77159), (7467, 61845), (7581, 60915), (8253, 55955), (8835, 52269), (9765, 47291), (11191, 41265), (12183, 37905), (12369, 37335), (12445, 37107), (12635, 36549), (13755, 33573), (16245, 28427), (17423, 26505), (20305, 22743), (20615, 22401)]