208661505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{26099}}^1$

素因数の和:26161

約数の個数: 32

約数和(自身を含む): 368323200

約数和(自身を除く): 159661695

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 26099, 78297, 130495, 339287, 391485, 1017861, 1070059, 1696435, 3210177, 5089305, 5350295, 13910767, 16050885, 41732301, 69553835, 208661505]

約数ペア:

[(1, 208661505), (3, 69553835), (5, 41732301), (13, 16050885), (15, 13910767), (39, 5350295), (41, 5089305), (65, 3210177), (123, 1696435), (195, 1070059), (205, 1017861), (533, 391485), (615, 339287), (1599, 130495), (2665, 78297), (7995, 26099)]