31481235

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 56766528

約数和(自身を除く): 25285293

約数列:

[1, 3, 5, 9, 15, 41, 45, 113, 123, 151, 205, 339, 369, 453, 565, 615, 755, 1017, 1359, 1695, 1845, 2265, 4633, 5085, 6191, 6795, 13899, 17063, 18573, 23165, 30955, 41697, 51189, 55719, 69495, 85315, 92865, 153567, 208485, 255945, 278595, 699583, 767835, 2098749, 3497915, 6296247, 10493745, 31481235]

約数ペア:

[(1, 31481235), (3, 10493745), (5, 6296247), (9, 3497915), (15, 2098749), (41, 767835), (45, 699583), (113, 278595), (123, 255945), (151, 208485), (205, 153567), (339, 92865), (369, 85315), (453, 69495), (565, 55719), (615, 51189), (755, 41697), (1017, 30955), (1359, 23165), (1695, 18573), (1845, 17063), (2265, 13899), (4633, 6795), (5085, 6191)]