155804781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 235952640

約数和(自身を除く): 80147859

約数列:

[1, 3, 11, 33, 43, 59, 129, 177, 473, 649, 1419, 1861, 1947, 2537, 5583, 7611, 20471, 27907, 61413, 80023, 83721, 109799, 240069, 329397, 880253, 1207789, 2640759, 3623367, 4721357, 14164071, 51934927, 155804781]

約数ペア:

[(1, 155804781), (3, 51934927), (11, 14164071), (33, 4721357), (43, 3623367), (59, 2640759), (129, 1207789), (177, 880253), (473, 329397), (649, 240069), (1419, 109799), (1861, 83721), (1947, 80023), (2537, 61413), (5583, 27907), (7611, 20471)]