81960837

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{25847}}^1$

素因数の和:26008

約数の個数: 16

約数和(自身を含む): 125724672

約数和(自身を除く): 43763835

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 25847, 77541, 180929, 542787, 3902897, 11708691, 27320279, 81960837]

約数ペア:

[(1, 81960837), (3, 27320279), (7, 11708691), (21, 3902897), (151, 542787), (453, 180929), (1057, 77541), (3171, 25847)]