42907215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 74511360

約数和(自身を除く): 31604145

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1583, 1807, 2085, 4749, 5421, 7915, 9035, 20579, 23745, 27105, 61737, 102895, 220037, 308685, 660111, 1100185, 2860481, 3300555, 8581443, 14302405, 42907215]

約数ペア:

[(1, 42907215), (3, 14302405), (5, 8581443), (13, 3300555), (15, 2860481), (39, 1100185), (65, 660111), (139, 308685), (195, 220037), (417, 102895), (695, 61737), (1583, 27105), (1807, 23745), (2085, 20579), (4749, 9035), (5421, 7915)]