1279215

素因数分解:

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

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2635776

約数和(自身を除く): 1356561

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 131, 155, 217, 279, 315, 393, 465, 651, 655, 917, 1085, 1179, 1395, 1953, 1965, 2751, 3255, 4061, 4585, 5895, 8253, 9765, 12183, 13755, 20305, 28427, 36549, 41265, 60915, 85281, 142135, 182745, 255843, 426405, 1279215]

約数ペア:

[(1, 1279215), (3, 426405), (5, 255843), (7, 182745), (9, 142135), (15, 85281), (21, 60915), (31, 41265), (35, 36549), (45, 28427), (63, 20305), (93, 13755), (105, 12183), (131, 9765), (155, 8253), (217, 5895), (279, 4585), (315, 4061), (393, 3255), (465, 2751), (651, 1965), (655, 1953), (917, 1395), (1085, 1179)]