203969145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{3319}}^1$

素因数の和:3585

約数の個数: 32

約数和(自身を含む): 347086080

約数和(自身を除く): 143116935

約数列:

[1, 3, 5, 15, 17, 51, 85, 241, 255, 723, 1205, 3319, 3615, 4097, 9957, 12291, 16595, 20485, 49785, 56423, 61455, 169269, 282115, 799879, 846345, 2399637, 3999395, 11998185, 13597943, 40793829, 67989715, 203969145]

約数ペア:

[(1, 203969145), (3, 67989715), (5, 40793829), (15, 13597943), (17, 11998185), (51, 3999395), (85, 2399637), (241, 846345), (255, 799879), (723, 282115), (1205, 169269), (3319, 61455), (3615, 56423), (4097, 49785), (9957, 20485), (12291, 16595)]