15721804213

素因数分解:

${\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1\times {\mathrm{2957}}^1$

素因数の和:3624

約数の個数: 16

約数和(自身を含む): 16072801776

約数和(自身を除く): 350997563

約数列:

[1, 73, 173, 421, 2957, 12629, 30733, 72833, 215861, 511561, 1244897, 5316809, 37343953, 90877481, 215367181, 15721804213]

約数ペア:

[(1, 15721804213), (73, 215367181), (173, 90877481), (421, 37343953), (2957, 5316809), (12629, 1244897), (30733, 511561), (72833, 215861)]