31190835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 57498336

約数和(自身を除く): 26307501

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 97, 195, 221, 255, 291, 485, 663, 1105, 1261, 1455, 1649, 3315, 3783, 4947, 6305, 8245, 9409, 18915, 21437, 24735, 28227, 47045, 64311, 107185, 122317, 141135, 159953, 321555, 366951, 479859, 611585, 799765, 1834755, 2079389, 2399295, 6238167, 10396945, 31190835]

約数ペア:

[(1, 31190835), (3, 10396945), (5, 6238167), (13, 2399295), (15, 2079389), (17, 1834755), (39, 799765), (51, 611585), (65, 479859), (85, 366951), (97, 321555), (195, 159953), (221, 141135), (255, 122317), (291, 107185), (485, 64311), (663, 47045), (1105, 28227), (1261, 24735), (1455, 21437), (1649, 18915), (3315, 9409), (3783, 8245), (4947, 6305)]