12985905

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2731}}^1$

素因数の和:3056

約数の個数: 16

約数和(自身を含む): 20850624

約数和(自身を除く): 7864719

約数列:

[1, 3, 5, 15, 317, 951, 1585, 2731, 4755, 8193, 13655, 40965, 865727, 2597181, 4328635, 12985905]

約数ペア:

[(1, 12985905), (3, 4328635), (5, 2597181), (15, 865727), (317, 40965), (951, 13655), (1585, 8193), (2731, 4755)]