61728885

素因数分解:

$3^4\times 5^1\times {\mathrm{152417}}^1$

素因数の和:152434

約数の個数: 20

約数和(自身を含む): 110655468

約数和(自身を除く): 48926583

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 152417, 457251, 762085, 1371753, 2286255, 4115259, 6858765, 12345777, 20576295, 61728885]

約数ペア:

[(1, 61728885), (3, 20576295), (5, 12345777), (9, 6858765), (15, 4115259), (27, 2286255), (45, 1371753), (81, 762085), (135, 457251), (405, 152417)]