22781007

素因数分解:

$3^5\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 34354320

約数和(自身を除く): 11573313

約数列:

[1, 3, 9, 27, 81, 241, 243, 389, 723, 1167, 2169, 3501, 6507, 10503, 19521, 31509, 58563, 93749, 94527, 281247, 843741, 2531223, 7593669, 22781007]

約数ペア:

[(1, 22781007), (3, 7593669), (9, 2531223), (27, 843741), (81, 281247), (241, 94527), (243, 93749), (389, 58563), (723, 31509), (1167, 19521), (2169, 10503), (3501, 6507)]