259856001

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{21277}}^1$

素因数の和:21365

約数の個数: 24

約数和(自身を含む): 398324160

約数和(自身を除く): 138468159

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213, 21277, 63831, 191493, 489371, 1255343, 1468113, 3766029, 4404339, 11298087, 28872889, 86618667, 259856001]

約数ペア:

[(1, 259856001), (3, 86618667), (9, 28872889), (23, 11298087), (59, 4404339), (69, 3766029), (177, 1468113), (207, 1255343), (531, 489371), (1357, 191493), (4071, 63831), (12213, 21277)]