80520345

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4003}}^1$

素因数の和:4166

約数の個数: 32

約数和(自身を含む): 144144000

約数和(自身を除く): 63623655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4003, 4023, 6705, 12009, 20015, 20115, 36027, 60045, 108081, 180135, 540405, 596447, 1789341, 2982235, 5368023, 8946705, 16104069, 26840115, 80520345]

約数ペア:

[(1, 80520345), (3, 26840115), (5, 16104069), (9, 8946705), (15, 5368023), (27, 2982235), (45, 1789341), (135, 596447), (149, 540405), (447, 180135), (745, 108081), (1341, 60045), (2235, 36027), (4003, 20115), (4023, 20015), (6705, 12009)]