156637575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 306873216

約数和(自身を除く): 150235641

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 225, 255, 279, 425, 465, 527, 765, 775, 1275, 1321, 1395, 1581, 2325, 2635, 3825, 3963, 4743, 6605, 6975, 7905, 11889, 13175, 19815, 22457, 23715, 33025, 39525, 40951, 59445, 67371, 99075, 112285, 118575, 122853, 202113, 204755, 297225, 336855, 368559, 561425, 614265, 696167, 1010565, 1023775, 1684275, 1842795, 2088501, 3071325, 3480835, 5052825, 6265503, 9213975, 10442505, 17404175, 31327515, 52212525, 156637575]

約数ペア:

[(1, 156637575), (3, 52212525), (5, 31327515), (9, 17404175), (15, 10442505), (17, 9213975), (25, 6265503), (31, 5052825), (45, 3480835), (51, 3071325), (75, 2088501), (85, 1842795), (93, 1684275), (153, 1023775), (155, 1010565), (225, 696167), (255, 614265), (279, 561425), (425, 368559), (465, 336855), (527, 297225), (765, 204755), (775, 202113), (1275, 122853), (1321, 118575), (1395, 112285), (1581, 99075), (2325, 67371), (2635, 59445), (3825, 40951), (3963, 39525), (4743, 33025), (6605, 23715), (6975, 22457), (7905, 19815), (11889, 13175)]