1638387

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 20

約数和(自身を含む): 2482920

約数和(自身を除く): 844533

約数列:

[1, 3, 9, 27, 81, 113, 179, 339, 537, 1017, 1611, 3051, 4833, 9153, 14499, 20227, 60681, 182043, 546129, 1638387]

約数ペア:

[(1, 1638387), (3, 546129), (9, 182043), (27, 60681), (81, 20227), (113, 14499), (179, 9153), (339, 4833), (537, 3051), (1017, 1611)]