12966759

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 21357336

約数和(自身を除く): 8390577

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 307, 361, 741, 921, 1083, 2223, 2763, 3249, 3991, 4693, 5833, 11973, 14079, 17499, 35919, 42237, 52497, 75829, 110827, 227487, 332481, 682461, 997443, 1440751, 4322253, 12966759]

約数ペア:

[(1, 12966759), (3, 4322253), (9, 1440751), (13, 997443), (19, 682461), (39, 332481), (57, 227487), (117, 110827), (171, 75829), (247, 52497), (307, 42237), (361, 35919), (741, 17499), (921, 14079), (1083, 11973), (2223, 5833), (2763, 4693), (3249, 3991)]