18159999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42331}}^1$

素因数の和:42358

約数の個数: 16

約数和(自身を含む): 28447104

約数和(自身を除く): 10287105

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 42331, 126993, 465641, 550303, 1396923, 1650909, 6053333, 18159999]

約数ペア:

[(1, 18159999), (3, 6053333), (11, 1650909), (13, 1396923), (33, 550303), (39, 465641), (143, 126993), (429, 42331)]