81867978

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{74561}}^1$

素因数の和:74630

約数の個数: 24

約数和(自身を含む): 180290916

約数和(自身を除く): 98422938

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 74561, 149122, 223683, 447366, 671049, 1342098, 4548221, 9096442, 13644663, 27289326, 40933989, 81867978]

約数ペア:

[(1, 81867978), (2, 40933989), (3, 27289326), (6, 13644663), (9, 9096442), (18, 4548221), (61, 1342098), (122, 671049), (183, 447366), (366, 223683), (549, 149122), (1098, 74561)]