28931301

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5813}}^1$

素因数の和:5905

約数の個数: 24

約数和(自身を含む): 48372480

約数和(自身を除く): 19441179

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 5813, 17439, 40691, 52317, 122073, 366219, 459227, 1377681, 3214589, 4133043, 9643767, 28931301]

約数ペア:

[(1, 28931301), (3, 9643767), (7, 4133043), (9, 3214589), (21, 1377681), (63, 459227), (79, 366219), (237, 122073), (553, 52317), (711, 40691), (1659, 17439), (4977, 5813)]