12218895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20887}}^1$

素因数の和:20911

約数の個数: 24

約数和(自身を含む): 22809696

約数和(自身を除く): 10590801

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 20887, 62661, 104435, 187983, 271531, 313305, 814593, 939915, 1357655, 2443779, 4072965, 12218895]

約数ペア:

[(1, 12218895), (3, 4072965), (5, 2443779), (9, 1357655), (13, 939915), (15, 814593), (39, 313305), (45, 271531), (65, 187983), (117, 104435), (195, 62661), (585, 20887)]