16218009

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 25097600

約数和(自身を除く): 8879591

約数列:

[1, 3, 9, 27, 43, 61, 129, 183, 229, 387, 549, 687, 1161, 1647, 2061, 2623, 6183, 7869, 9847, 13969, 23607, 29541, 41907, 70821, 88623, 125721, 265869, 377163, 600667, 1802001, 5406003, 16218009]

約数ペア:

[(1, 16218009), (3, 5406003), (9, 1802001), (27, 600667), (43, 377163), (61, 265869), (129, 125721), (183, 88623), (229, 70821), (387, 41907), (549, 29541), (687, 23607), (1161, 13969), (1647, 9847), (2061, 7869), (2623, 6183)]