196870401

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{240379}}^1$

素因数の和:240405

約数の個数: 24

約数和(自身を含む): 349993280

約数和(自身を除く): 153122879

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 240379, 721137, 1682653, 2163411, 3124927, 5047959, 9374781, 15143877, 21874489, 28124343, 65623467, 196870401]

約数ペア:

[(1, 196870401), (3, 65623467), (7, 28124343), (9, 21874489), (13, 15143877), (21, 9374781), (39, 5047959), (63, 3124927), (91, 2163411), (117, 1682653), (273, 721137), (819, 240379)]