210828981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{751}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 315334656

約数和(自身を除く): 104505675

約数列:

[1, 3, 11, 33, 47, 141, 181, 517, 543, 751, 1551, 1991, 2253, 5973, 8261, 8507, 24783, 25521, 35297, 93577, 105891, 135931, 280731, 388267, 407793, 1164801, 1495241, 4485723, 6388757, 19166271, 70276327, 210828981]

約数ペア:

[(1, 210828981), (3, 70276327), (11, 19166271), (33, 6388757), (47, 4485723), (141, 1495241), (181, 1164801), (517, 407793), (543, 388267), (751, 280731), (1551, 135931), (1991, 105891), (2253, 93577), (5973, 35297), (8261, 25521), (8507, 24783)]