28260117

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{13249}}^1$

素因数の和:13337

約数の個数: 16

約数和(自身を含む): 42400000

約数和(自身を除く): 14139883

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 13249, 39747, 119241, 357723, 1046671, 3140013, 9420039, 28260117]

約数ペア:

[(1, 28260117), (3, 9420039), (9, 3140013), (27, 1046671), (79, 357723), (237, 119241), (711, 39747), (2133, 13249)]