12779781

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 20471808

約数和(自身を除く): 7692027

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 293, 469, 651, 879, 1407, 2051, 2077, 6153, 6231, 9083, 14539, 19631, 27249, 43617, 58893, 63581, 137417, 190743, 412251, 608561, 1825683, 4259927, 12779781]

約数ペア:

[(1, 12779781), (3, 4259927), (7, 1825683), (21, 608561), (31, 412251), (67, 190743), (93, 137417), (201, 63581), (217, 58893), (293, 43617), (469, 27249), (651, 19631), (879, 14539), (1407, 9083), (2051, 6231), (2077, 6153)]