31234917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78283}}^1$

素因数の和:78312

約数の個数: 16

約数和(自身を含む): 50101760

約数和(自身を除く): 18866843

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 78283, 234849, 547981, 1487377, 1643943, 4462131, 10411639, 31234917]

約数ペア:

[(1, 31234917), (3, 10411639), (7, 4462131), (19, 1643943), (21, 1487377), (57, 547981), (133, 234849), (399, 78283)]