668847309

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{2311}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 989683968

約数和(自身を除く): 320836659

約数列:

[1, 3, 13, 39, 41, 123, 181, 533, 543, 1599, 2311, 2353, 6933, 7059, 7421, 22263, 30043, 90129, 94751, 96473, 284253, 289419, 418291, 1231763, 1254873, 3695289, 5437783, 16313349, 17149931, 51449793, 222949103, 668847309]

約数ペア:

[(1, 668847309), (3, 222949103), (13, 51449793), (39, 17149931), (41, 16313349), (123, 5437783), (181, 3695289), (533, 1254873), (543, 1231763), (1599, 418291), (2311, 289419), (2353, 284253), (6933, 96473), (7059, 94751), (7421, 90129), (22263, 30043)]