415991295

素因数分解:

$3^4\times 5^1\times {\mathrm{1027139}}^1$

素因数の和:1027156

約数の個数: 20

約数和(自身を含む): 745703640

約数和(自身を除く): 329712345

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1027139, 3081417, 5135695, 9244251, 15407085, 27732753, 46221255, 83198259, 138663765, 415991295]

約数ペア:

[(1, 415991295), (3, 138663765), (5, 83198259), (9, 46221255), (15, 27732753), (27, 15407085), (45, 9244251), (81, 5135695), (135, 3081417), (405, 1027139)]