81232359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 119528640

約数和(自身を除く): 38296281

約数列:

[1, 3, 13, 39, 97, 109, 197, 291, 327, 591, 1261, 1417, 2561, 3783, 4251, 7683, 10573, 19109, 21473, 31719, 57327, 64419, 137449, 248417, 279149, 412347, 745251, 837447, 2082881, 6248643, 27077453, 81232359]

約数ペア:

[(1, 81232359), (3, 27077453), (13, 6248643), (39, 2082881), (97, 837447), (109, 745251), (197, 412347), (291, 279149), (327, 248417), (591, 137449), (1261, 64419), (1417, 57327), (2561, 31719), (3783, 21473), (4251, 19109), (7683, 10573)]