28930725

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1898

約数の個数: 36

約数和(自身を含む): 52576992

約数和(自身を除く): 23646267

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 1811, 3195, 5325, 5433, 9055, 15975, 16299, 27165, 45275, 81495, 128581, 135825, 385743, 407475, 642905, 1157229, 1928715, 3214525, 5786145, 9643575, 28930725]

約数ペア:

[(1, 28930725), (3, 9643575), (5, 5786145), (9, 3214525), (15, 1928715), (25, 1157229), (45, 642905), (71, 407475), (75, 385743), (213, 135825), (225, 128581), (355, 81495), (639, 45275), (1065, 27165), (1775, 16299), (1811, 15975), (3195, 9055), (5325, 5433)]