245767683

素因数分解:

$3^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{3209}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 382041360

約数和(自身を除く): 136273677

約数列:

[1, 3, 7, 21, 49, 147, 521, 1563, 3209, 3647, 9627, 10941, 22463, 25529, 67389, 76587, 157241, 471723, 1671889, 5015667, 11703223, 35109669, 81922561, 245767683]

約数ペア:

[(1, 245767683), (3, 81922561), (7, 35109669), (21, 11703223), (49, 5015667), (147, 1671889), (521, 471723), (1563, 157241), (3209, 76587), (3647, 67389), (9627, 25529), (10941, 22463)]