7407981

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 12442560

約数和(自身を除く): 5034579

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 1993, 3717, 5979, 13951, 17937, 41853, 117587, 125559, 352761, 823109, 1058283, 2469327, 7407981]

約数ペア:

[(1, 7407981), (3, 2469327), (7, 1058283), (9, 823109), (21, 352761), (59, 125559), (63, 117587), (177, 41853), (413, 17937), (531, 13951), (1239, 5979), (1993, 3717)]