31920486

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409237}}^1$

素因数の和:409255

約数の個数: 16

約数和(自身を含む): 68751984

約数和(自身を除く): 36831498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409237, 818474, 1227711, 2455422, 5320081, 10640162, 15960243, 31920486]

約数ペア:

[(1, 31920486), (2, 15960243), (3, 10640162), (6, 5320081), (13, 2455422), (26, 1227711), (39, 818474), (78, 409237)]