1870149789

素因数分解:

$3^4\times {\mathrm{2339}}^1\times {\mathrm{9871}}^1$

素因数の和:12222

約数の個数: 20

約数和(自身を含む): 2795158080

約数和(自身を除く): 925008291

約数列:

[1, 3, 9, 27, 81, 2339, 7017, 9871, 21051, 29613, 63153, 88839, 189459, 266517, 799551, 23088269, 69264807, 207794421, 623383263, 1870149789]

約数ペア:

[(1, 1870149789), (3, 623383263), (9, 207794421), (27, 69264807), (81, 23088269), (2339, 799551), (7017, 266517), (9871, 189459), (21051, 88839), (29613, 63153)]