278802

素因数分解:

$2^1\times 3^4\times {\mathrm{1721}}^1$

素因数の和:1735

約数の個数: 20

約数和(自身を含む): 625086

約数和(自身を除く): 346284

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1721, 3442, 5163, 10326, 15489, 30978, 46467, 92934, 139401, 278802]

約数ペア:

[(1, 278802), (2, 139401), (3, 92934), (6, 46467), (9, 30978), (18, 15489), (27, 10326), (54, 5163), (81, 3442), (162, 1721)]