12805220727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{403861}}^1$

素因数の和:404151

約数の個数: 24

約数和(自身を含む): 19992784448

約数和(自身を除く): 7187563721

約数列:

[1, 3, 9, 13, 39, 117, 271, 813, 2439, 3523, 10569, 31707, 403861, 1211583, 3634749, 5250193, 15750579, 47251737, 109446331, 328338993, 985016979, 1422802303, 4268406909, 12805220727]

約数ペア:

[(1, 12805220727), (3, 4268406909), (9, 1422802303), (13, 985016979), (39, 328338993), (117, 109446331), (271, 47251737), (813, 15750579), (2439, 5250193), (3523, 3634749), (10569, 1211583), (31707, 403861)]