15721179

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 21373440

約数和(自身を除く): 5652261

約数列:

[1, 3, 109, 131, 327, 367, 393, 1101, 14279, 40003, 42837, 48077, 120009, 144231, 5240393, 15721179]

約数ペア:

[(1, 15721179), (3, 5240393), (109, 144231), (131, 120009), (327, 48077), (367, 42837), (393, 40003), (1101, 14279)]