198680895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{630733}}^1$

素因数の和:630751

約数の個数: 24

約数和(自身を含む): 393578016

約数和(自身を除く): 194897121

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 630733, 1892199, 3153665, 4415131, 5676597, 9460995, 13245393, 22075655, 28382985, 39736179, 66226965, 198680895]

約数ペア:

[(1, 198680895), (3, 66226965), (5, 39736179), (7, 28382985), (9, 22075655), (15, 13245393), (21, 9460995), (35, 5676597), (45, 4415131), (63, 3153665), (105, 1892199), (315, 630733)]