78489945

素因数分解:

$3^3\times 5^1\times {\mathrm{581407}}^1$

素因数の和:581421

約数の個数: 16

約数和(自身を含む): 139537920

約数和(自身を除く): 61047975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 581407, 1744221, 2907035, 5232663, 8721105, 15697989, 26163315, 78489945]

約数ペア:

[(1, 78489945), (3, 26163315), (5, 15697989), (9, 8721105), (15, 5232663), (27, 2907035), (45, 1744221), (135, 581407)]