31194981

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2625

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 16428699

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 2543, 4089, 7629, 12267, 22887, 73747, 119521, 221241, 358563, 663723, 1075689, 3466109, 10398327, 31194981]

約数ペア:

[(1, 31194981), (3, 10398327), (9, 3466109), (29, 1075689), (47, 663723), (87, 358563), (141, 221241), (261, 119521), (423, 73747), (1363, 22887), (2543, 12267), (4089, 7629)]