17978961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5987}}^1$

素因数の和:6021

約数の個数: 32

約数和(自身を含む): 32191488

約数和(自身を除く): 14212527

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 5987, 17961, 41909, 65857, 77831, 125727, 197571, 233493, 460999, 544817, 856141, 1382997, 1634451, 2568423, 5992987, 17978961]

約数ペア:

[(1, 17978961), (3, 5992987), (7, 2568423), (11, 1634451), (13, 1382997), (21, 856141), (33, 544817), (39, 460999), (77, 233493), (91, 197571), (143, 125727), (231, 77831), (273, 65857), (429, 41909), (1001, 17961), (3003, 5987)]