2021872605

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{63671}}^1$

素因数の和:63781

約数の個数: 32

約数和(自身を含む): 3392444160

約数和(自身を除く): 1370571555

約数列:

[1, 3, 5, 15, 29, 73, 87, 145, 219, 365, 435, 1095, 2117, 6351, 10585, 31755, 63671, 191013, 318355, 955065, 1846459, 4647983, 5539377, 9232295, 13943949, 23239915, 27696885, 69719745, 134791507, 404374521, 673957535, 2021872605]

約数ペア:

[(1, 2021872605), (3, 673957535), (5, 404374521), (15, 134791507), (29, 69719745), (73, 27696885), (87, 23239915), (145, 13943949), (219, 9232295), (365, 5539377), (435, 4647983), (1095, 1846459), (2117, 955065), (6351, 318355), (10585, 191013), (31755, 63671)]