65211885

素因数分解:

$3^4\times 5^1\times {\mathrm{161017}}^1$

素因数の和:161034

約数の個数: 20

約数和(自身を含む): 116899068

約数和(自身を除く): 51687183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 161017, 483051, 805085, 1449153, 2415255, 4347459, 7245765, 13042377, 21737295, 65211885]

約数ペア:

[(1, 65211885), (3, 21737295), (5, 13042377), (9, 7245765), (15, 4347459), (27, 2415255), (45, 1449153), (81, 805085), (135, 483051), (405, 161017)]