12778731

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8819}}^1$

素因数の和:8855

約数の個数: 24

約数和(自身を含む): 22014720

約数和(自身を除く): 9235989

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 8819, 26457, 61733, 79371, 185199, 202837, 555597, 608511, 1419859, 1825533, 4259577, 12778731]

約数ペア:

[(1, 12778731), (3, 4259577), (7, 1825533), (9, 1419859), (21, 608511), (23, 555597), (63, 202837), (69, 185199), (161, 79371), (207, 61733), (483, 26457), (1449, 8819)]