15981651

素因数分解:

$3^3\times 7^1\times {\mathrm{84559}}^1$

素因数の和:84575

約数の個数: 16

約数和(自身を含む): 27059200

約数和(自身を除く): 11077549

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 84559, 253677, 591913, 761031, 1775739, 2283093, 5327217, 15981651]

約数ペア:

[(1, 15981651), (3, 5327217), (7, 2283093), (9, 1775739), (21, 761031), (27, 591913), (63, 253677), (189, 84559)]