51914289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5657}}^1$

素因数の和:5709

約数の個数: 32

約数和(自身を含む): 86906880

約数和(自身を除く): 34992591

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 5657, 9177, 16971, 39599, 107483, 118797, 130111, 322449, 390333, 752381, 910777, 2257143, 2472109, 2732331, 7416327, 17304763, 51914289]

約数ペア:

[(1, 51914289), (3, 17304763), (7, 7416327), (19, 2732331), (21, 2472109), (23, 2257143), (57, 910777), (69, 752381), (133, 390333), (161, 322449), (399, 130111), (437, 118797), (483, 107483), (1311, 39599), (3059, 16971), (5657, 9177)]