281212035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{1583}}^1$

素因数の和:2515

約数の個数: 32

約数和(自身を含む): 485388288

約数和(自身を除く): 204176253

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 911, 1583, 2733, 4555, 4749, 7915, 11843, 13665, 20579, 23745, 35529, 59215, 61737, 102895, 177645, 308685, 1442113, 4326339, 7210565, 18747469, 21631695, 56242407, 93737345, 281212035]

約数ペア:

[(1, 281212035), (3, 93737345), (5, 56242407), (13, 21631695), (15, 18747469), (39, 7210565), (65, 4326339), (195, 1442113), (911, 308685), (1583, 177645), (2733, 102895), (4555, 61737), (4749, 59215), (7915, 35529), (11843, 23745), (13665, 20579)]