17128251

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 28745184

約数和(自身を除く): 11616933

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4457, 13371, 31199, 40113, 93597, 271877, 280791, 815631, 1903139, 2446893, 5709417, 17128251]

約数ペア:

[(1, 17128251), (3, 5709417), (7, 2446893), (9, 1903139), (21, 815631), (61, 280791), (63, 271877), (183, 93597), (427, 40113), (549, 31199), (1281, 13371), (3843, 4457)]