157260831

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1451}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 258897408

約数和(自身を除く): 101636577

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 397, 1191, 1451, 2779, 4353, 5161, 8337, 10157, 15483, 18863, 30471, 36127, 56589, 108381, 132041, 396123, 576047, 1728141, 4032329, 7488611, 12096987, 22465833, 52420277, 157260831]

約数ペア:

[(1, 157260831), (3, 52420277), (7, 22465833), (13, 12096987), (21, 7488611), (39, 4032329), (91, 1728141), (273, 576047), (397, 396123), (1191, 132041), (1451, 108381), (2779, 56589), (4353, 36127), (5161, 30471), (8337, 18863), (10157, 15483)]