856215

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 1516320

約数和(自身を除く): 660105

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 359, 477, 795, 1077, 1795, 2385, 3231, 5385, 16155, 19027, 57081, 95135, 171243, 285405, 856215]

約数ペア:

[(1, 856215), (3, 285405), (5, 171243), (9, 95135), (15, 57081), (45, 19027), (53, 16155), (159, 5385), (265, 3231), (359, 2385), (477, 1795), (795, 1077)]