254757231

素因数分解:

$3^4\times {\mathrm{41}}^2\times {\mathrm{1871}}^1$

素因数の和:1965

約数の個数: 30

約数和(自身を含む): 390280176

約数和(自身を除く): 135522945

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 1681, 1871, 3321, 5043, 5613, 15129, 16839, 45387, 50517, 76711, 136161, 151551, 230133, 690399, 2071197, 3145151, 6213591, 9435453, 28306359, 84919077, 254757231]

約数ペア:

[(1, 254757231), (3, 84919077), (9, 28306359), (27, 9435453), (41, 6213591), (81, 3145151), (123, 2071197), (369, 690399), (1107, 230133), (1681, 151551), (1871, 136161), (3321, 76711), (5043, 50517), (5613, 45387), (15129, 16839)]