203885145

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105367}}^1$

素因数の和:105421

約数の個数: 24

約数和(自身を含む): 361622976

約数和(自身を除く): 157737831

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 105367, 316101, 526835, 948303, 1580505, 4530781, 4741515, 13592343, 22653905, 40777029, 67961715, 203885145]

約数ペア:

[(1, 203885145), (3, 67961715), (5, 40777029), (9, 22653905), (15, 13592343), (43, 4741515), (45, 4530781), (129, 1580505), (215, 948303), (387, 526835), (645, 316101), (1935, 105367)]