15721486779

素因数分解:

$3^1\times {\mathrm{421}}^1\times {\mathrm{1259}}^1\times {\mathrm{9887}}^1$

素因数の和:11570

約数の個数: 16

約数和(自身を含む): 21030589440

約数和(自身を除く): 5309102661

約数列:

[1, 3, 421, 1259, 1263, 3777, 9887, 29661, 530039, 1590117, 4162427, 12447733, 12487281, 37343199, 5240495593, 15721486779]

約数ペア:

[(1, 15721486779), (3, 5240495593), (421, 37343199), (1259, 12487281), (1263, 12447733), (3777, 4162427), (9887, 1590117), (29661, 530039)]