205155

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 366912

約数和(自身を除く): 161757

約数列:

[1, 3, 5, 9, 15, 45, 47, 97, 141, 235, 291, 423, 485, 705, 873, 1455, 2115, 4365, 4559, 13677, 22795, 41031, 68385, 205155]

約数ペア:

[(1, 205155), (3, 68385), (5, 41031), (9, 22795), (15, 13677), (45, 4559), (47, 4365), (97, 2115), (141, 1455), (235, 873), (291, 705), (423, 485)]