1990878831

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{138863}}^1$

素因数の和:138937

約数の個数: 24

約数和(自身を含む): 3032789760

約数和(自身を除く): 1041910929

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 1593, 4779, 14337, 138863, 416589, 1249767, 3749301, 8192917, 11247903, 24578751, 33743709, 73736253, 221208759, 663626277, 1990878831]

約数ペア:

[(1, 1990878831), (3, 663626277), (9, 221208759), (27, 73736253), (59, 33743709), (81, 24578751), (177, 11247903), (243, 8192917), (531, 3749301), (1593, 1249767), (4779, 416589), (14337, 138863)]