28605159

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2557}}^1$

素因数の和:2687

約数の個数: 24

約数和(自身を含む): 45491472

約数和(自身を除く): 16886313

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 1017, 1243, 2557, 3729, 7671, 11187, 23013, 28127, 84381, 253143, 288941, 866823, 2600469, 3178351, 9535053, 28605159]

約数ペア:

[(1, 28605159), (3, 9535053), (9, 3178351), (11, 2600469), (33, 866823), (99, 288941), (113, 253143), (339, 84381), (1017, 28127), (1243, 23013), (2557, 11187), (3729, 7671)]