28266471

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7187}}^1$

素因数の和:7235

約数の個数: 24

約数和(自身を含む): 44853120

約数和(自身を除く): 16586649

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7187, 21561, 64683, 136553, 165301, 409659, 495903, 1228977, 1487709, 3140719, 9422157, 28266471]

約数ペア:

[(1, 28266471), (3, 9422157), (9, 3140719), (19, 1487709), (23, 1228977), (57, 495903), (69, 409659), (171, 165301), (207, 136553), (437, 64683), (1311, 21561), (3933, 7187)]