1320781671

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{1212839}}^1$

素因数の和:1212867

約数の個数: 18

約数和(自身を含む): 2097000360

約数和(自身を除く): 776218689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1212839, 3638517, 10915551, 13341229, 40023687, 120071061, 146753519, 440260557, 1320781671]

約数ペア:

[(1, 1320781671), (3, 440260557), (9, 146753519), (11, 120071061), (33, 40023687), (99, 13341229), (121, 10915551), (363, 3638517), (1089, 1212839)]