61979985

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3559}}^1$

素因数の和:3619

約数の個数: 40

約数和(自身を含む): 113720640

約数和(自身を除く): 51740655

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 3559, 5805, 10677, 17415, 17795, 32031, 53385, 96093, 153037, 160155, 288279, 459111, 480465, 765185, 1377333, 1441395, 2295555, 4131999, 6886665, 12395997, 20659995, 61979985]

約数ペア:

[(1, 61979985), (3, 20659995), (5, 12395997), (9, 6886665), (15, 4131999), (27, 2295555), (43, 1441395), (45, 1377333), (81, 765185), (129, 480465), (135, 459111), (215, 288279), (387, 160155), (405, 153037), (645, 96093), (1161, 53385), (1935, 32031), (3483, 17795), (3559, 17415), (5805, 10677)]