28010307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5167}}^1$

素因数の和:5322

約数の個数: 16

約数和(自身を含む): 40517120

約数和(自身を除く): 12506813

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5167, 5421, 15501, 67171, 201513, 718213, 2154639, 9336769, 28010307]

約数ペア:

[(1, 28010307), (3, 9336769), (13, 2154639), (39, 718213), (139, 201513), (417, 67171), (1807, 15501), (5167, 5421)]