8028891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 12595856

約数和(自身を除く): 4566965

約数列:

[1, 3, 9, 13, 39, 117, 163, 421, 489, 1263, 1467, 2119, 3789, 5473, 6357, 16419, 19071, 49257, 68623, 205869, 617607, 892099, 2676297, 8028891]

約数ペア:

[(1, 8028891), (3, 2676297), (9, 892099), (13, 617607), (39, 205869), (117, 68623), (163, 49257), (421, 19071), (489, 16419), (1263, 6357), (1467, 5473), (2119, 3789)]