56155983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21491}}^1$

素因数の和:21574

約数の個数: 16

約数和(自身を含む): 81841536

約数和(自身を除く): 25685553

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 21491, 64473, 279383, 838149, 1439897, 4319691, 18718661, 56155983]

約数ペア:

[(1, 56155983), (3, 18718661), (13, 4319691), (39, 1439897), (67, 838149), (201, 279383), (871, 64473), (2613, 21491)]