1640676891

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2520241}}^1$

素因数の和:2520282

約数の個数: 16

約数和(自身を含む): 2580727808

約数和(自身を除く): 940050917

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2520241, 7560723, 17641687, 52925061, 78127471, 234382413, 546892297, 1640676891]

約数ペア:

[(1, 1640676891), (3, 546892297), (7, 234382413), (21, 78127471), (31, 52925061), (93, 17641687), (217, 7560723), (651, 2520241)]