64641717

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10159}}^1$

素因数の和:10273

約数の個数: 24

約数和(自身を含む): 107777280

約数和(自身を除く): 43135563

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 10159, 30477, 71113, 91431, 213339, 640017, 1026059, 3078177, 7182413, 9234531, 21547239, 64641717]

約数ペア:

[(1, 64641717), (3, 21547239), (7, 9234531), (9, 7182413), (21, 3078177), (63, 1026059), (101, 640017), (303, 213339), (707, 91431), (909, 71113), (2121, 30477), (6363, 10159)]