12780999

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18443}}^1$

素因数の和:18467

約数の個数: 24

約数和(自身を含む): 23018112

約数和(自身を除く): 10237113

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 18443, 55329, 129101, 165987, 202873, 387303, 608619, 1161909, 1420111, 1825857, 4260333, 12780999]

約数ペア:

[(1, 12780999), (3, 4260333), (7, 1825857), (9, 1420111), (11, 1161909), (21, 608619), (33, 387303), (63, 202873), (77, 165987), (99, 129101), (231, 55329), (693, 18443)]