213770529

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{66533}}^1$

素因数の和:66566

約数の個数: 32

約数和(自身を含む): 383235840

約数和(自身を除く): 169465311

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 66533, 199599, 465731, 598797, 1131061, 1397193, 1796391, 3393183, 4191579, 7917427, 10179549, 12574737, 23752281, 30538647, 71256843, 213770529]

約数ペア:

[(1, 213770529), (3, 71256843), (7, 30538647), (9, 23752281), (17, 12574737), (21, 10179549), (27, 7917427), (51, 4191579), (63, 3393183), (119, 1796391), (153, 1397193), (189, 1131061), (357, 598797), (459, 465731), (1071, 199599), (3213, 66533)]