20123231409

素因数分解:

$3^3\times {\mathrm{52021}}^1\times {\mathrm{14327}}^1$

素因数の和:66357

約数の個数: 16

約数和(自身を含む): 29814848640

約数和(自身を除く): 9691617231

約数列:

[1, 3, 9, 27, 14327, 42981, 52021, 128943, 156063, 386829, 468189, 1404567, 745304867, 2235914601, 6707743803, 20123231409]

約数ペア:

[(1, 20123231409), (3, 6707743803), (9, 2235914601), (27, 745304867), (14327, 1404567), (42981, 468189), (52021, 386829), (128943, 156063)]