28275285

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 18173355

約数列:

[1, 3, 5, 15, 79, 107, 223, 237, 321, 395, 535, 669, 1115, 1185, 1605, 3345, 8453, 17617, 23861, 25359, 42265, 52851, 71583, 88085, 119305, 126795, 264255, 357915, 1885019, 5655057, 9425095, 28275285]

約数ペア:

[(1, 28275285), (3, 9425095), (5, 5655057), (15, 1885019), (79, 357915), (107, 264255), (223, 126795), (237, 119305), (321, 88085), (395, 71583), (535, 52851), (669, 42265), (1115, 25359), (1185, 23861), (1605, 17617), (3345, 8453)]