71308881

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 127021440

約数和(自身を除く): 55712559

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 779, 861, 1197, 1453, 2337, 2583, 4359, 5453, 7011, 10171, 13077, 16359, 27607, 30513, 49077, 59573, 82821, 91539, 178719, 193249, 248463, 417011, 536157, 579747, 1131887, 1251033, 1739241, 3395661, 3753099, 7923209, 10186983, 23769627, 71308881]

約数ペア:

[(1, 71308881), (3, 23769627), (7, 10186983), (9, 7923209), (19, 3753099), (21, 3395661), (41, 1739241), (57, 1251033), (63, 1131887), (123, 579747), (133, 536157), (171, 417011), (287, 248463), (369, 193249), (399, 178719), (779, 91539), (861, 82821), (1197, 59573), (1453, 49077), (2337, 30513), (2583, 27607), (4359, 16359), (5453, 13077), (7011, 10171)]