28191111123

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2333}}^1\times {\mathrm{5279}}^1$

素因数の和:7731

約数の個数: 32

約数和(自身を含む): 43378790400

約数和(自身を除く): 15187679277

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 2333, 5279, 6999, 15837, 16331, 36953, 48993, 110859, 254297, 575411, 762891, 1726233, 1780079, 4027877, 5340237, 12083631, 12315907, 36947721, 86211349, 258634047, 1342433863, 4027301589, 9397037041, 28191111123]

約数ペア:

[(1, 28191111123), (3, 9397037041), (7, 4027301589), (21, 1342433863), (109, 258634047), (327, 86211349), (763, 36947721), (2289, 12315907), (2333, 12083631), (5279, 5340237), (6999, 4027877), (15837, 1780079), (16331, 1726233), (36953, 762891), (48993, 575411), (110859, 254297)]