81429205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 116742528

約数和(自身を除く): 35313323

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 671, 715, 793, 1867, 3355, 3965, 8723, 9335, 20537, 24271, 43615, 102685, 113887, 121355, 266981, 569435, 1252757, 1334905, 1480531, 6263785, 7402655, 16285841, 81429205]

約数ペア:

[(1, 81429205), (5, 16285841), (11, 7402655), (13, 6263785), (55, 1480531), (61, 1334905), (65, 1252757), (143, 569435), (305, 266981), (671, 121355), (715, 113887), (793, 102685), (1867, 43615), (3355, 24271), (3965, 20537), (8723, 9335)]