28127847

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 43557120

約数和(自身を除く): 15429273

約数列:

[1, 3, 11, 19, 33, 57, 113, 209, 339, 397, 627, 1191, 1243, 2147, 3729, 4367, 6441, 7543, 13101, 22629, 23617, 44861, 70851, 82973, 134583, 248919, 493471, 852359, 1480413, 2557077, 9375949, 28127847]

約数ペア:

[(1, 28127847), (3, 9375949), (11, 2557077), (19, 1480413), (33, 852359), (57, 493471), (113, 248919), (209, 134583), (339, 82973), (397, 70851), (627, 44861), (1191, 23617), (1243, 22629), (2147, 13101), (3729, 7543), (4367, 6441)]