69879105

素因数分解:

$3^4\times 5^1\times {\mathrm{172541}}^1$

素因数の和:172558

約数の個数: 20

約数和(自身を含む): 125265492

約数和(自身を除く): 55386387

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 172541, 517623, 862705, 1552869, 2588115, 4658607, 7764345, 13975821, 23293035, 69879105]

約数ペア:

[(1, 69879105), (3, 23293035), (5, 13975821), (9, 7764345), (15, 4658607), (27, 2588115), (45, 1552869), (81, 862705), (135, 517623), (405, 172541)]