641085

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 1040640

約数和(自身を除く): 399555

約数列:

[1, 3, 5, 15, 79, 237, 395, 541, 1185, 1623, 2705, 8115, 42739, 128217, 213695, 641085]

約数ペア:

[(1, 641085), (3, 213695), (5, 128217), (15, 42739), (79, 8115), (237, 2705), (395, 1623), (541, 1185)]