121520781

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1471}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 179572224

約数和(自身を除く): 58051443

約数列:

[1, 3, 9, 67, 137, 201, 411, 603, 1233, 1471, 4413, 9179, 13239, 27537, 82611, 98557, 201527, 295671, 604581, 887013, 1813743, 13502309, 40506927, 121520781]

約数ペア:

[(1, 121520781), (3, 40506927), (9, 13502309), (67, 1813743), (137, 887013), (201, 604581), (411, 295671), (603, 201527), (1233, 98557), (1471, 82611), (4413, 27537), (9179, 13239)]