28289421

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{227}}^2$

素因数の和:521

約数の個数: 18

約数和(自身を含む): 41716142

約数和(自身を除く): 13426721

約数列:

[1, 3, 9, 61, 183, 227, 549, 681, 2043, 13847, 41541, 51529, 124623, 154587, 463761, 3143269, 9429807, 28289421]

約数ペア:

[(1, 28289421), (3, 9429807), (9, 3143269), (61, 463761), (183, 154587), (227, 124623), (549, 51529), (681, 41541), (2043, 13847)]