61981381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 82010880

約数和(自身を除く): 20029499

約数列:

[1, 7, 11, 29, 41, 77, 203, 287, 319, 451, 677, 1189, 2233, 3157, 4739, 7447, 8323, 13079, 19633, 27757, 52129, 91553, 137431, 194299, 215963, 305327, 804953, 1511741, 2137289, 5634671, 8854483, 61981381]

約数ペア:

[(1, 61981381), (7, 8854483), (11, 5634671), (29, 2137289), (41, 1511741), (77, 804953), (203, 305327), (287, 215963), (319, 194299), (451, 137431), (677, 91553), (1189, 52129), (2233, 27757), (3157, 19633), (4739, 13079), (7447, 8323)]