81549325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22811}}^1$

素因数の和:22845

約数の個数: 24

約数和(自身を含む): 118804896

約数和(自身を除く): 37255571

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 22811, 114055, 250921, 296543, 570275, 1254605, 1482715, 3261973, 6273025, 7413575, 16309865, 81549325]

約数ペア:

[(1, 81549325), (5, 16309865), (11, 7413575), (13, 6273025), (25, 3261973), (55, 1482715), (65, 1254605), (143, 570275), (275, 296543), (325, 250921), (715, 114055), (3575, 22811)]