77620275

素因数分解:

$3^6\times 5^2\times {\mathrm{4259}}^1$

素因数の和:4287

約数の個数: 42

約数和(自身を含む): 144341580

約数和(自身を除く): 66721305

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 4259, 6075, 12777, 18225, 21295, 38331, 63885, 106475, 114993, 191655, 319425, 344979, 574965, 958275, 1034937, 1724895, 2874825, 3104811, 5174685, 8624475, 15524055, 25873425, 77620275]

約数ペア:

[(1, 77620275), (3, 25873425), (5, 15524055), (9, 8624475), (15, 5174685), (25, 3104811), (27, 2874825), (45, 1724895), (75, 1034937), (81, 958275), (135, 574965), (225, 344979), (243, 319425), (405, 191655), (675, 114993), (729, 106475), (1215, 63885), (2025, 38331), (3645, 21295), (4259, 18225), (6075, 12777)]