28397295

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27437}}^1$

素因数の和:27471

約数の個数: 24

約数和(自身を含む): 51363936

約数和(自身を除く): 22966641

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27437, 82311, 137185, 246933, 411555, 631051, 1234665, 1893153, 3155255, 5679459, 9465765, 28397295]

約数ペア:

[(1, 28397295), (3, 9465765), (5, 5679459), (9, 3155255), (15, 1893153), (23, 1234665), (45, 631051), (69, 411555), (115, 246933), (207, 137185), (345, 82311), (1035, 27437)]