15871401

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19379}}^1$

素因数の和:19405

約数の個数: 24

約数和(自身を含む): 28217280

約数和(自身を除く): 12345879

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19379, 58137, 135653, 174411, 251927, 406959, 755781, 1220877, 1763489, 2267343, 5290467, 15871401]

約数ペア:

[(1, 15871401), (3, 5290467), (7, 2267343), (9, 1763489), (13, 1220877), (21, 755781), (39, 406959), (63, 251927), (91, 174411), (117, 135653), (273, 58137), (819, 19379)]