25881525

素因数分解:

$3^4\times 5^2\times {\mathrm{12781}}^1$

素因数の和:12803

約数の個数: 30

約数和(自身を含む): 47945282

約数和(自身を除く): 22063757

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 12781, 38343, 63905, 115029, 191715, 319525, 345087, 575145, 958575, 1035261, 1725435, 2875725, 5176305, 8627175, 25881525]

約数ペア:

[(1, 25881525), (3, 8627175), (5, 5176305), (9, 2875725), (15, 1725435), (25, 1035261), (27, 958575), (45, 575145), (75, 345087), (81, 319525), (135, 191715), (225, 115029), (405, 63905), (675, 38343), (2025, 12781)]