49902885

素因数分解:

$3^4\times 5^1\times {\mathrm{123217}}^1$

素因数の和:123234

約数の個数: 20

約数和(自身を含む): 89456268

約数和(自身を除く): 39553383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 123217, 369651, 616085, 1108953, 1848255, 3326859, 5544765, 9980577, 16634295, 49902885]

約数ペア:

[(1, 49902885), (3, 16634295), (5, 9980577), (9, 5544765), (15, 3326859), (27, 1848255), (45, 1108953), (81, 616085), (135, 369651), (405, 123217)]