30207981

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6911}}^1$

素因数の和:6992

約数の個数: 16

約数和(自身を含む): 42467328

約数和(自身を除く): 12259347

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 6911, 20733, 214241, 324817, 642723, 974451, 10069327, 30207981]

約数ペア:

[(1, 30207981), (3, 10069327), (31, 974451), (47, 642723), (93, 324817), (141, 214241), (1457, 20733), (4371, 6911)]