331360393

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3797}}^1$

素因数の和:3961

約数の個数: 24

約数和(自身を含む): 418250952

約数和(自身を除く): 86890559

約数列:

[1, 7, 13, 49, 91, 137, 637, 959, 1781, 3797, 6713, 12467, 26579, 49361, 87269, 186053, 345527, 520189, 2418689, 3641323, 6762457, 25489261, 47337199, 331360393]

約数ペア:

[(1, 331360393), (7, 47337199), (13, 25489261), (49, 6762457), (91, 3641323), (137, 2418689), (637, 520189), (959, 345527), (1781, 186053), (3797, 87269), (6713, 49361), (12467, 26579)]