15740973

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:906

約数の個数: 20

約数和(自身を含む): 23622588

約数和(自身を除く): 7881615

約数列:

[1, 3, 9, 27, 81, 373, 521, 1119, 1563, 3357, 4689, 10071, 14067, 30213, 42201, 194333, 582999, 1748997, 5246991, 15740973]

約数ペア:

[(1, 15740973), (3, 5246991), (9, 1748997), (27, 582999), (81, 194333), (373, 42201), (521, 30213), (1119, 14067), (1563, 10071), (3357, 4689)]