28277181

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:588

約数の個数: 28

約数和(自身を含む): 43020480

約数和(自身を除く): 14743299

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 491, 711, 729, 1473, 2133, 4419, 6399, 13257, 19197, 38789, 39771, 57591, 116367, 119313, 349101, 357939, 1047303, 3141909, 9425727, 28277181]

約数ペア:

[(1, 28277181), (3, 9425727), (9, 3141909), (27, 1047303), (79, 357939), (81, 349101), (237, 119313), (243, 116367), (491, 57591), (711, 39771), (729, 38789), (1473, 19197), (2133, 13257), (4419, 6399)]