406161

素因数分解:

$3^3\times 7^2\times {\mathrm{307}}^1$

素因数の和:330

約数の個数: 24

約数和(自身を含む): 702240

約数和(自身を除く): 296079

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 307, 441, 921, 1323, 2149, 2763, 6447, 8289, 15043, 19341, 45129, 58023, 135387, 406161]

約数ペア:

[(1, 406161), (3, 135387), (7, 58023), (9, 45129), (21, 19341), (27, 15043), (49, 8289), (63, 6447), (147, 2763), (189, 2149), (307, 1323), (441, 921)]