245427

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 32

約数和(自身を含む): 430080

約数和(自身を除く): 184653

約数列:

[1, 3, 7, 13, 21, 29, 31, 39, 87, 91, 93, 203, 217, 273, 377, 403, 609, 651, 899, 1131, 1209, 2639, 2697, 2821, 6293, 7917, 8463, 11687, 18879, 35061, 81809, 245427]

約数ペア:

[(1, 245427), (3, 81809), (7, 35061), (13, 18879), (21, 11687), (29, 8463), (31, 7917), (39, 6293), (87, 2821), (91, 2697), (93, 2639), (203, 1209), (217, 1131), (273, 899), (377, 651), (403, 609)]