66680271

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{3821}}^1$

素因数の和:4111

約数の個数: 24

約数和(自身を含む): 110501664

約数和(自身を除く): 43821393

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 3821, 5817, 11463, 17451, 26747, 34389, 80241, 240723, 1058417, 3175251, 7408919, 9525753, 22226757, 66680271]

約数ペア:

[(1, 66680271), (3, 22226757), (7, 9525753), (9, 7408919), (21, 3175251), (63, 1058417), (277, 240723), (831, 80241), (1939, 34389), (2493, 26747), (3821, 17451), (5817, 11463)]