8430021

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 13115520

約数和(自身を除く): 4685499

約数列:

[1, 3, 9, 27, 43, 53, 129, 137, 159, 387, 411, 477, 1161, 1233, 1431, 2279, 3699, 5891, 6837, 7261, 17673, 20511, 21783, 53019, 61533, 65349, 159057, 196047, 312223, 936669, 2810007, 8430021]

約数ペア:

[(1, 8430021), (3, 2810007), (9, 936669), (27, 312223), (43, 196047), (53, 159057), (129, 65349), (137, 61533), (159, 53019), (387, 21783), (411, 20511), (477, 17673), (1161, 7261), (1233, 6837), (1431, 5891), (2279, 3699)]