131717745

素因数分解:

$3^4\times 5^1\times {\mathrm{325229}}^1$

素因数の和:325246

約数の個数: 20

約数和(自身を含む): 236116980

約数和(自身を除く): 104399235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 325229, 975687, 1626145, 2927061, 4878435, 8781183, 14635305, 26343549, 43905915, 131717745]

約数ペア:

[(1, 131717745), (3, 43905915), (5, 26343549), (9, 14635305), (15, 8781183), (27, 4878435), (45, 2927061), (81, 1626145), (135, 975687), (405, 325229)]