51838731

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1747}}^1$

素因数の和:1920

約数の個数: 32

約数和(自身を含む): 88378880

約数和(自身を除く): 36540149

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 1747, 3297, 4239, 5241, 9891, 12229, 15723, 29673, 36687, 47169, 110061, 274279, 330183, 822837, 1919953, 2468511, 5759859, 7405533, 17279577, 51838731]

約数ペア:

[(1, 51838731), (3, 17279577), (7, 7405533), (9, 5759859), (21, 2468511), (27, 1919953), (63, 822837), (157, 330183), (189, 274279), (471, 110061), (1099, 47169), (1413, 36687), (1747, 29673), (3297, 15723), (4239, 12229), (5241, 9891)]