19956969

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{3067}}^1$

素因数の和:3317

約数の個数: 16

約数和(自身を含む): 29698240

約数和(自身を除く): 9741271

約数列:

[1, 3, 9, 27, 241, 723, 2169, 3067, 6507, 9201, 27603, 82809, 739147, 2217441, 6652323, 19956969]

約数ペア:

[(1, 19956969), (3, 6652323), (9, 2217441), (27, 739147), (241, 82809), (723, 27603), (2169, 9201), (3067, 6507)]