51990999

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{13001}}^1$

素因数の和:13078

約数の個数: 16

約数和(自身を含む): 73227264

約数和(自身を除く): 21236265

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 13001, 39003, 403031, 559043, 1209093, 1677129, 17330333, 51990999]

約数ペア:

[(1, 51990999), (3, 17330333), (31, 1677129), (43, 1209093), (93, 559043), (129, 403031), (1333, 39003), (3999, 13001)]