243873

素因数分解:

$3^2\times 7^3\times {\mathrm{79}}^1$

素因数の和:106

約数の個数: 24

約数和(自身を含む): 416000

約数和(自身を除く): 172127

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 343, 441, 553, 711, 1029, 1659, 3087, 3871, 4977, 11613, 27097, 34839, 81291, 243873]

約数ペア:

[(1, 243873), (3, 81291), (7, 34839), (9, 27097), (21, 11613), (49, 4977), (63, 3871), (79, 3087), (147, 1659), (237, 1029), (343, 711), (441, 553)]