426213

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 673920

約数和(自身を除く): 247707

約数列:

[1, 3, 9, 23, 29, 69, 71, 87, 207, 213, 261, 639, 667, 1633, 2001, 2059, 4899, 6003, 6177, 14697, 18531, 47357, 142071, 426213]

約数ペア:

[(1, 426213), (3, 142071), (9, 47357), (23, 18531), (29, 14697), (69, 6177), (71, 6003), (87, 4899), (207, 2059), (213, 2001), (261, 1633), (639, 667)]