65390571

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4758

約数の個数: 28

約数和(自身を含む): 103222920

約数和(自身を除く): 37832349

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 4721, 13851, 14163, 42489, 89699, 127467, 269097, 382401, 807291, 1147203, 2421873, 3441609, 7265619, 21796857, 65390571]

約数ペア:

[(1, 65390571), (3, 21796857), (9, 7265619), (19, 3441609), (27, 2421873), (57, 1147203), (81, 807291), (171, 382401), (243, 269097), (513, 127467), (729, 89699), (1539, 42489), (4617, 14163), (4721, 13851)]