15991963

素因数分解:

${\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 16

約数和(自身を含む): 17992800

約数和(自身を除く): 2000837

約数列:

[1, 13, 29, 169, 251, 377, 2197, 3263, 4901, 7279, 42419, 63713, 94627, 551447, 1230151, 15991963]

約数ペア:

[(1, 15991963), (13, 1230151), (29, 551447), (169, 94627), (251, 63713), (377, 42419), (2197, 7279), (3263, 4901)]