131821625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3527}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 184923648

約数和(自身を除く): 53102023

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 1495, 1625, 2875, 3527, 7475, 17635, 37375, 45851, 81121, 88175, 229255, 405605, 440875, 1054573, 1146275, 2028025, 5272865, 5731375, 10140125, 26364325, 131821625]

約数ペア:

[(1, 131821625), (5, 26364325), (13, 10140125), (23, 5731375), (25, 5272865), (65, 2028025), (115, 1146275), (125, 1054573), (299, 440875), (325, 405605), (575, 229255), (1495, 88175), (1625, 81121), (2875, 45851), (3527, 37375), (7475, 17635)]