85020675

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 147573888

約数和(自身を除く): 62553213

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 215, 615, 643, 645, 1025, 1075, 1763, 1929, 3075, 3215, 3225, 5289, 8815, 9645, 16075, 26363, 26445, 27649, 44075, 48225, 79089, 82947, 131815, 132225, 138245, 395445, 414735, 659075, 691225, 1133609, 1977225, 2073675, 3400827, 5668045, 17004135, 28340225, 85020675]

約数ペア:

[(1, 85020675), (3, 28340225), (5, 17004135), (15, 5668045), (25, 3400827), (41, 2073675), (43, 1977225), (75, 1133609), (123, 691225), (129, 659075), (205, 414735), (215, 395445), (615, 138245), (643, 132225), (645, 131815), (1025, 82947), (1075, 79089), (1763, 48225), (1929, 44075), (3075, 27649), (3215, 26445), (3225, 26363), (5289, 16075), (8815, 9645)]