13686513

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 20024928

約数和(自身を除く): 6338415

約数列:

[1, 3, 17, 43, 51, 79, 129, 237, 731, 1343, 2193, 3397, 4029, 6241, 10191, 18723, 57749, 106097, 173247, 268363, 318291, 805089, 4562171, 13686513]

約数ペア:

[(1, 13686513), (3, 4562171), (17, 805089), (43, 318291), (51, 268363), (79, 173247), (129, 106097), (237, 57749), (731, 18723), (1343, 10191), (2193, 6241), (3397, 4029)]