3946725

素因数分解:

$3^4\times 5^2\times {\mathrm{1949}}^1$

素因数の和:1971

約数の個数: 30

約数和(自身を含む): 7314450

約数和(自身を除く): 3367725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 1949, 2025, 5847, 9745, 17541, 29235, 48725, 52623, 87705, 146175, 157869, 263115, 438525, 789345, 1315575, 3946725]

約数ペア:

[(1, 3946725), (3, 1315575), (5, 789345), (9, 438525), (15, 263115), (25, 157869), (27, 146175), (45, 87705), (75, 52623), (81, 48725), (135, 29235), (225, 17541), (405, 9745), (675, 5847), (1949, 2025)]