678889215

素因数分解:

$3^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{5179}}^1$

素因数の和:6164

約数の個数: 32

約数和(自身を含む): 1208390400

約数和(自身を除く): 529501185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 971, 2913, 4855, 5179, 8739, 14565, 15537, 25895, 26217, 43695, 46611, 77685, 131085, 139833, 233055, 699165, 5028809, 15086427, 25144045, 45259281, 75432135, 135777843, 226296405, 678889215]

約数ペア:

[(1, 678889215), (3, 226296405), (5, 135777843), (9, 75432135), (15, 45259281), (27, 25144045), (45, 15086427), (135, 5028809), (971, 699165), (2913, 233055), (4855, 139833), (5179, 131085), (8739, 77685), (14565, 46611), (15537, 43695), (25895, 26217)]