2061855

素因数分解:

$3^5\times 5^1\times {\mathrm{1697}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 3708432

約数和(自身を除く): 1646577

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1697, 5091, 8485, 15273, 25455, 45819, 76365, 137457, 229095, 412371, 687285, 2061855]

約数ペア:

[(1, 2061855), (3, 687285), (5, 412371), (9, 229095), (15, 137457), (27, 76365), (45, 45819), (81, 25455), (135, 15273), (243, 8485), (405, 5091), (1215, 1697)]