251567199

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{74143}}^1$

素因数の和:74191

約数の個数: 24

約数和(自身を含む): 404826240

約数和(自身を除く): 153259041

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 74143, 222429, 667287, 963859, 2150147, 2891577, 6450441, 8674731, 19351323, 27951911, 83855733, 251567199]

約数ペア:

[(1, 251567199), (3, 83855733), (9, 27951911), (13, 19351323), (29, 8674731), (39, 6450441), (87, 2891577), (117, 2150147), (261, 963859), (377, 667287), (1131, 222429), (3393, 74143)]