86815557

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{9833}}^1$

素因数の和:9954

約数の個数: 20

約数和(自身を含む): 130890540

約数和(自身を除く): 44074983

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 9833, 29499, 88497, 265491, 796473, 1071797, 3215391, 9646173, 28938519, 86815557]

約数ペア:

[(1, 86815557), (3, 28938519), (9, 9646173), (27, 3215391), (81, 1071797), (109, 796473), (327, 265491), (981, 88497), (2943, 29499), (8829, 9833)]