128569245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39499}}^1$

素因数の和:39545

約数の個数: 32

約数和(自身を含む): 242688000

約数和(自身を除く): 114118755

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 39499, 118497, 197495, 276493, 592485, 829479, 1224469, 1382465, 3673407, 4147395, 6122345, 8571283, 18367035, 25713849, 42856415, 128569245]

約数ペア:

[(1, 128569245), (3, 42856415), (5, 25713849), (7, 18367035), (15, 8571283), (21, 6122345), (31, 4147395), (35, 3673407), (93, 1382465), (105, 1224469), (155, 829479), (217, 592485), (465, 276493), (651, 197495), (1085, 118497), (3255, 39499)]