202191717

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 341642112

約数和(自身を除く): 139450395

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 541, 777, 1369, 1443, 1623, 3367, 3787, 4107, 7033, 9583, 10101, 11361, 17797, 20017, 21099, 28749, 49231, 53391, 60051, 124579, 140119, 147693, 260221, 373737, 420357, 740629, 780663, 1821547, 2221887, 5184403, 5464641, 9628177, 15553209, 28884531, 67397239, 202191717]

約数ペア:

[(1, 202191717), (3, 67397239), (7, 28884531), (13, 15553209), (21, 9628177), (37, 5464641), (39, 5184403), (91, 2221887), (111, 1821547), (259, 780663), (273, 740629), (481, 420357), (541, 373737), (777, 260221), (1369, 147693), (1443, 140119), (1623, 124579), (3367, 60051), (3787, 53391), (4107, 49231), (7033, 28749), (9583, 21099), (10101, 20017), (11361, 17797)]