28314993

素因数分解:

$3^1\times 7^4\times {\mathrm{3931}}^1$

素因数の和:3962

約数の個数: 20

約数和(自身を含む): 44054128

約数和(自身を除く): 15739135

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 3931, 7203, 11793, 27517, 82551, 192619, 577857, 1348333, 4044999, 9438331, 28314993]

約数ペア:

[(1, 28314993), (3, 9438331), (7, 4044999), (21, 1348333), (49, 577857), (147, 192619), (343, 82551), (1029, 27517), (2401, 11793), (3931, 7203)]