639274095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 1222041600

約数和(自身を除く): 582767505

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 89, 93, 95, 155, 171, 267, 271, 279, 285, 445, 465, 589, 801, 813, 855, 1335, 1355, 1395, 1691, 1767, 2439, 2759, 2945, 4005, 4065, 5073, 5149, 5301, 8277, 8401, 8455, 8835, 12195, 13795, 15219, 15447, 24119, 24831, 25203, 25365, 25745, 26505, 41385, 42005, 46341, 52421, 72357, 75609, 76095, 77235, 120595, 124155, 126015, 157263, 159619, 217071, 231705, 262105, 361785, 378045, 458261, 471789, 478857, 747689, 786315, 798095, 1085355, 1374783, 1436571, 2243067, 2291305, 2358945, 2394285, 3738445, 4124349, 6729201, 6873915, 7182855, 11215335, 14206091, 20621745, 33646005, 42618273, 71030455, 127854819, 213091365, 639274095]

約数ペア:

[(1, 639274095), (3, 213091365), (5, 127854819), (9, 71030455), (15, 42618273), (19, 33646005), (31, 20621745), (45, 14206091), (57, 11215335), (89, 7182855), (93, 6873915), (95, 6729201), (155, 4124349), (171, 3738445), (267, 2394285), (271, 2358945), (279, 2291305), (285, 2243067), (445, 1436571), (465, 1374783), (589, 1085355), (801, 798095), (813, 786315), (855, 747689), (1335, 478857), (1355, 471789), (1395, 458261), (1691, 378045), (1767, 361785), (2439, 262105), (2759, 231705), (2945, 217071), (4005, 159619), (4065, 157263), (5073, 126015), (5149, 124155), (5301, 120595), (8277, 77235), (8401, 76095), (8455, 75609), (8835, 72357), (12195, 52421), (13795, 46341), (15219, 42005), (15447, 41385), (24119, 26505), (24831, 25745), (25203, 25365)]