131562225

素因数分解:

$3^4\times 5^2\times {\mathrm{64969}}^1$

素因数の和:64991

約数の個数: 30

約数和(自身を含む): 243702470

約数和(自身を除く): 112140245

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 64969, 194907, 324845, 584721, 974535, 1624225, 1754163, 2923605, 4872675, 5262489, 8770815, 14618025, 26312445, 43854075, 131562225]

約数ペア:

[(1, 131562225), (3, 43854075), (5, 26312445), (9, 14618025), (15, 8770815), (25, 5262489), (27, 4872675), (45, 2923605), (75, 1754163), (81, 1624225), (135, 974535), (225, 584721), (405, 324845), (675, 194907), (2025, 64969)]