28604289

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6277}}^1$

素因数の和:6325

約数の個数: 24

約数和(自身を含む): 45804288

約数和(自身を除く): 17199999

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6277, 18831, 43939, 131817, 194587, 307573, 583761, 922719, 1362109, 4086327, 9534763, 28604289]

約数ペア:

[(1, 28604289), (3, 9534763), (7, 4086327), (21, 1362109), (31, 922719), (49, 583761), (93, 307573), (147, 194587), (217, 131817), (651, 43939), (1519, 18831), (4557, 6277)]