20180245827

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1957157}}^1$

素因数の和:1957658

約数の個数: 16

約数和(自身を含む): 30813495552

約数和(自身を除く): 10633249725

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 10311, 1957157, 5871471, 13700099, 41100297, 960964087, 2882892261, 6726748609, 20180245827]

約数ペア:

[(1, 20180245827), (3, 6726748609), (7, 2882892261), (21, 960964087), (491, 41100297), (1473, 13700099), (3437, 5871471), (10311, 1957157)]