77770161

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4021}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 128832704

約数和(自身を除く): 51062543

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 4021, 6447, 12063, 19341, 28147, 36189, 84441, 253323, 1234447, 3703341, 8641129, 11110023, 25923387, 77770161]

約数ペア:

[(1, 77770161), (3, 25923387), (7, 11110023), (9, 8641129), (21, 3703341), (63, 1234447), (307, 253323), (921, 84441), (2149, 36189), (2763, 28147), (4021, 19341), (6447, 12063)]