81716895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3407}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 156304512

約数和(自身を除く): 74587617

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1599, 1845, 2665, 3407, 4797, 7995, 10221, 17035, 23985, 30663, 44291, 51105, 132873, 139687, 153315, 221455, 398619, 419061, 664365, 698435, 1257183, 1815931, 1993095, 2095305, 5447793, 6285915, 9079655, 16343379, 27238965, 81716895]

約数ペア:

[(1, 81716895), (3, 27238965), (5, 16343379), (9, 9079655), (13, 6285915), (15, 5447793), (39, 2095305), (41, 1993095), (45, 1815931), (65, 1257183), (117, 698435), (123, 664365), (195, 419061), (205, 398619), (369, 221455), (533, 153315), (585, 139687), (615, 132873), (1599, 51105), (1845, 44291), (2665, 30663), (3407, 23985), (4797, 17035), (7995, 10221)]