27828505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3967}}^1$

素因数の和:4056

約数の個数: 16

約数和(自身を含む): 35426304

約数和(自身を除く): 7597799

約数列:

[1, 5, 23, 61, 115, 305, 1403, 3967, 7015, 19835, 91241, 241987, 456205, 1209935, 5565701, 27828505]

約数ペア:

[(1, 27828505), (5, 5565701), (23, 1209935), (61, 456205), (115, 241987), (305, 91241), (1403, 19835), (3967, 7015)]