205121505

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{204101}}^1$

素因数の和:204176

約数の個数: 16

約数和(自身を含む): 333094464

約数和(自身を除く): 127972959

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 204101, 612303, 1020505, 3061515, 13674767, 41024301, 68373835, 205121505]

約数ペア:

[(1, 205121505), (3, 68373835), (5, 41024301), (15, 13674767), (67, 3061515), (201, 1020505), (335, 612303), (1005, 204101)]