28316403

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3919

約数の個数: 24

約数和(自身を含む): 44066880

約数和(自身を除く): 15750477

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3851, 7353, 11553, 34659, 73169, 165593, 219507, 496779, 658521, 1490337, 3146267, 9438801, 28316403]

約数ペア:

[(1, 28316403), (3, 9438801), (9, 3146267), (19, 1490337), (43, 658521), (57, 496779), (129, 219507), (171, 165593), (387, 73169), (817, 34659), (2451, 11553), (3851, 7353)]