312934275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1137

約数の個数: 72

約数和(自身を含む): 598890240

約数和(自身を除く): 285955965

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 171, 213, 225, 285, 355, 475, 639, 855, 1031, 1065, 1349, 1425, 1775, 3093, 3195, 4047, 4275, 5155, 5325, 6745, 9279, 12141, 15465, 15975, 19589, 20235, 25775, 33725, 46395, 58767, 60705, 73201, 77325, 97945, 101175, 176301, 219603, 231975, 293835, 303525, 366005, 489725, 658809, 881505, 1098015, 1390819, 1469175, 1830025, 3294045, 4172457, 4407525, 5490075, 6954095, 12517371, 16470225, 20862285, 34770475, 62586855, 104311425, 312934275]

約数ペア:

[(1, 312934275), (3, 104311425), (5, 62586855), (9, 34770475), (15, 20862285), (19, 16470225), (25, 12517371), (45, 6954095), (57, 5490075), (71, 4407525), (75, 4172457), (95, 3294045), (171, 1830025), (213, 1469175), (225, 1390819), (285, 1098015), (355, 881505), (475, 658809), (639, 489725), (855, 366005), (1031, 303525), (1065, 293835), (1349, 231975), (1425, 219603), (1775, 176301), (3093, 101175), (3195, 97945), (4047, 77325), (4275, 73201), (5155, 60705), (5325, 58767), (6745, 46395), (9279, 33725), (12141, 25775), (15465, 20235), (15975, 19589)]