6421779

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7841}}^1$

素因数の和:7867

約数の個数: 24

約数和(自身を含む): 11417952

約数和(自身を除く): 4996173

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 7841, 23523, 54887, 70569, 101933, 164661, 305799, 493983, 713531, 917397, 2140593, 6421779]

約数ペア:

[(1, 6421779), (3, 2140593), (7, 917397), (9, 713531), (13, 493983), (21, 305799), (39, 164661), (63, 101933), (91, 70569), (117, 54887), (273, 23523), (819, 7841)]