204393609

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{28711}}^1$

素因数の和:28837

約数の個数: 24

約数和(自身を含む): 340409472

約数和(自身を除く): 136015863

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 28711, 86133, 200977, 258399, 602931, 1808793, 3244343, 9733029, 22710401, 29199087, 68131203, 204393609]

約数ペア:

[(1, 204393609), (3, 68131203), (7, 29199087), (9, 22710401), (21, 9733029), (63, 3244343), (113, 1808793), (339, 602931), (791, 258399), (1017, 200977), (2373, 86133), (7119, 28711)]