39840375

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 66882816

約数和(自身を除く): 27042441

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 655, 811, 1965, 2433, 3275, 4055, 9825, 12165, 16375, 20275, 49125, 60825, 101375, 106241, 304125, 318723, 531205, 1593615, 2656025, 7968075, 13280125, 39840375]

約数ペア:

[(1, 39840375), (3, 13280125), (5, 7968075), (15, 2656025), (25, 1593615), (75, 531205), (125, 318723), (131, 304125), (375, 106241), (393, 101375), (655, 60825), (811, 49125), (1965, 20275), (2433, 16375), (3275, 12165), (4055, 9825)]