1218374409

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1415069}}^1$

素因数の和:1415120

約数の個数: 16

約数和(自身を含む): 1901854080

約数和(自身を除く): 683479671

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1415069, 4245207, 9905483, 29716449, 58017829, 174053487, 406124803, 1218374409]

約数ペア:

[(1, 1218374409), (3, 406124803), (7, 174053487), (21, 58017829), (41, 29716449), (123, 9905483), (287, 4245207), (861, 1415069)]