81950103

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 125361600

約数和(自身を除く): 43411497

約数列:

[1, 3, 9, 27, 41, 123, 181, 369, 409, 543, 1107, 1227, 1629, 3681, 4887, 7421, 11043, 16769, 22263, 50307, 66789, 74029, 150921, 200367, 222087, 452763, 666261, 1998783, 3035189, 9105567, 27316701, 81950103]

約数ペア:

[(1, 81950103), (3, 27316701), (9, 9105567), (27, 3035189), (41, 1998783), (123, 666261), (181, 452763), (369, 222087), (409, 200367), (543, 150921), (1107, 74029), (1227, 66789), (1629, 50307), (3681, 22263), (4887, 16769), (7421, 11043)]