65990457

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2215

約数の個数: 40

約数和(自身を含む): 109872840

約数和(自身を除く): 43882383

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 261, 351, 377, 783, 1053, 1131, 2161, 2349, 3393, 6483, 10179, 19449, 28093, 30537, 58347, 62669, 84279, 175041, 188007, 252837, 564021, 758511, 814697, 1692063, 2275533, 2444091, 5076189, 7332273, 21996819, 65990457]

約数ペア:

[(1, 65990457), (3, 21996819), (9, 7332273), (13, 5076189), (27, 2444091), (29, 2275533), (39, 1692063), (81, 814697), (87, 758511), (117, 564021), (261, 252837), (351, 188007), (377, 175041), (783, 84279), (1053, 62669), (1131, 58347), (2161, 30537), (2349, 28093), (3393, 19449), (6483, 10179)]