2017293255

素因数分解:

$3^4\times 5^1\times {\mathrm{4980971}}^1$

素因数の和:4980988

約数の個数: 20

約数和(自身を含む): 3616185672

約数和(自身を除く): 1598892417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4980971, 14942913, 24904855, 44828739, 74714565, 134486217, 224143695, 403458651, 672431085, 2017293255]

約数ペア:

[(1, 2017293255), (3, 672431085), (5, 403458651), (9, 224143695), (15, 134486217), (27, 74714565), (45, 44828739), (81, 24904855), (135, 14942913), (405, 4980971)]