64840485

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 105910272

約数和(自身を除く): 41069787

約数列:

[1, 3, 5, 15, 101, 127, 303, 337, 381, 505, 635, 1011, 1515, 1685, 1905, 5055, 12827, 34037, 38481, 42799, 64135, 102111, 128397, 170185, 192405, 213995, 510555, 641985, 4322699, 12968097, 21613495, 64840485]

約数ペア:

[(1, 64840485), (3, 21613495), (5, 12968097), (15, 4322699), (101, 641985), (127, 510555), (303, 213995), (337, 192405), (381, 170185), (505, 128397), (635, 102111), (1011, 64135), (1515, 42799), (1685, 38481), (1905, 34037), (5055, 12827)]