203475025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16921}}^1$

素因数の和:16981

約数の個数: 24

約数和(自身を含む): 279077624

約数和(自身を除く): 75602599

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 12025, 16921, 84605, 219973, 423025, 626077, 1099865, 3130385, 5499325, 8139001, 15651925, 40695005, 203475025]

約数ペア:

[(1, 203475025), (5, 40695005), (13, 15651925), (25, 8139001), (37, 5499325), (65, 3130385), (185, 1099865), (325, 626077), (481, 423025), (925, 219973), (2405, 84605), (12025, 16921)]