51491619

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{1373}}^1$

素因数の和:1848

約数の個数: 20

約数和(自身を含む): 77141856

約数和(自身を除く): 25650237

約数列:

[1, 3, 9, 27, 81, 463, 1373, 1389, 4119, 4167, 12357, 12501, 37071, 37503, 111213, 635699, 1907097, 5721291, 17163873, 51491619]

約数ペア:

[(1, 51491619), (3, 17163873), (9, 5721291), (27, 1907097), (81, 635699), (463, 111213), (1373, 37503), (1389, 37071), (4119, 12501), (4167, 12357)]