16789725

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1138

約数の個数: 36

約数和(自身を含む): 30524832

約数和(自身を除く): 13735107

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1051, 1065, 1775, 3153, 3195, 5255, 5325, 9459, 15765, 15975, 26275, 47295, 74621, 78825, 223863, 236475, 373105, 671589, 1119315, 1865525, 3357945, 5596575, 16789725]

約数ペア:

[(1, 16789725), (3, 5596575), (5, 3357945), (9, 1865525), (15, 1119315), (25, 671589), (45, 373105), (71, 236475), (75, 223863), (213, 78825), (225, 74621), (355, 47295), (639, 26275), (1051, 15975), (1065, 15765), (1775, 9459), (3153, 5325), (3195, 5255)]