25671825

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1694

約数の個数: 36

約数和(自身を含む): 46657728

約数和(自身を除く): 20985903

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1607, 1775, 3195, 4821, 5325, 8035, 14463, 15975, 24105, 40175, 72315, 114097, 120525, 342291, 361575, 570485, 1026873, 1711455, 2852425, 5134365, 8557275, 25671825]

約数ペア:

[(1, 25671825), (3, 8557275), (5, 5134365), (9, 2852425), (15, 1711455), (25, 1026873), (45, 570485), (71, 361575), (75, 342291), (213, 120525), (225, 114097), (355, 72315), (639, 40175), (1065, 24105), (1607, 15975), (1775, 14463), (3195, 8035), (4821, 5325)]