2491359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 3612672

約数和(自身を除く): 1121313

約数列:

[1, 3, 13, 39, 127, 381, 503, 1509, 1651, 4953, 6539, 19617, 63881, 191643, 830453, 2491359]

約数ペア:

[(1, 2491359), (3, 830453), (13, 191643), (39, 63881), (127, 19617), (381, 6539), (503, 4953), (1509, 1651)]