39985215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 67710720

約数和(自身を除く): 27725505

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 307, 457, 921, 1371, 1535, 2285, 4605, 5833, 6855, 8683, 17499, 26049, 29165, 43415, 87495, 130245, 140299, 420897, 701495, 2104485, 2665681, 7997043, 13328405, 39985215]

約数ペア:

[(1, 39985215), (3, 13328405), (5, 7997043), (15, 2665681), (19, 2104485), (57, 701495), (95, 420897), (285, 140299), (307, 130245), (457, 87495), (921, 43415), (1371, 29165), (1535, 26049), (2285, 17499), (4605, 8683), (5833, 6855)]