8191911

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 13823488

約数和(自身を除く): 5631577

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 811, 1443, 2433, 3367, 5677, 10101, 10543, 17031, 30007, 31629, 73801, 90021, 210049, 221403, 390091, 630147, 1170273, 2730637, 8191911]

約数ペア:

[(1, 8191911), (3, 2730637), (7, 1170273), (13, 630147), (21, 390091), (37, 221403), (39, 210049), (91, 90021), (111, 73801), (259, 31629), (273, 30007), (481, 17031), (777, 10543), (811, 10101), (1443, 5677), (2433, 3367)]