1212939

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 2157792

約数和(自身を除く): 944853

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1481, 4443, 10367, 13329, 19253, 31101, 57759, 93303, 134771, 173277, 404313, 1212939]

約数ペア:

[(1, 1212939), (3, 404313), (7, 173277), (9, 134771), (13, 93303), (21, 57759), (39, 31101), (63, 19253), (91, 13329), (117, 10367), (273, 4443), (819, 1481)]