87717231

素因数分解:

$3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{3323}}^1$

素因数の和:3755

約数の個数: 24

約数和(自身を含む): 145192320

約数和(自身を除く): 57475089

約数列:

[1, 3, 7, 9, 21, 63, 419, 1257, 2933, 3323, 3771, 8799, 9969, 23261, 26397, 29907, 69783, 209349, 1392337, 4177011, 9746359, 12531033, 29239077, 87717231]

約数ペア:

[(1, 87717231), (3, 29239077), (7, 12531033), (9, 9746359), (21, 4177011), (63, 1392337), (419, 209349), (1257, 69783), (2933, 29907), (3323, 26397), (3771, 23261), (8799, 9969)]