18144885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 31865472

約数和(自身を除く): 13720587

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 397, 831, 1191, 1385, 1985, 3047, 4155, 4367, 5955, 9141, 13101, 15235, 21835, 45705, 65505, 109969, 329907, 549845, 1209659, 1649535, 3628977, 6048295, 18144885]

約数ペア:

[(1, 18144885), (3, 6048295), (5, 3628977), (11, 1649535), (15, 1209659), (33, 549845), (55, 329907), (165, 109969), (277, 65505), (397, 45705), (831, 21835), (1191, 15235), (1385, 13101), (1985, 9141), (3047, 5955), (4155, 4367)]