31381818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402331}}^1$

素因数の和:402349

約数の個数: 16

約数和(自身を含む): 67591776

約数和(自身を除く): 36209958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 402331, 804662, 1206993, 2413986, 5230303, 10460606, 15690909, 31381818]

約数ペア:

[(1, 31381818), (2, 15690909), (3, 10460606), (6, 5230303), (13, 2413986), (26, 1206993), (39, 804662), (78, 402331)]