31316313

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78487}}^1$

素因数の和:78516

約数の個数: 16

約数和(自身を含む): 50232320

約数和(自身を除く): 18916007

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 78487, 235461, 549409, 1491253, 1648227, 4473759, 10438771, 31316313]

約数ペア:

[(1, 31316313), (3, 10438771), (7, 4473759), (19, 1648227), (21, 1491253), (57, 549409), (133, 235461), (399, 78487)]