1620807681

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 2279000448

約数和(自身を除く): 658192767

約数列:

[1, 3, 37, 53, 111, 137, 159, 411, 1961, 2011, 5069, 5883, 6033, 7261, 15207, 21783, 74407, 106583, 223221, 268657, 275507, 319749, 805971, 826521, 3943571, 10193759, 11830713, 14601871, 30581277, 43805613, 540269227, 1620807681]

約数ペア:

[(1, 1620807681), (3, 540269227), (37, 43805613), (53, 30581277), (111, 14601871), (137, 11830713), (159, 10193759), (411, 3943571), (1961, 826521), (2011, 805971), (5069, 319749), (5883, 275507), (6033, 268657), (7261, 223221), (15207, 106583), (21783, 74407)]