28504521

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 15974199

約数列:

[1, 3, 9, 23, 27, 69, 197, 207, 233, 591, 621, 699, 1773, 2097, 4531, 5319, 5359, 6291, 13593, 16077, 40779, 45901, 48231, 122337, 137703, 144693, 413109, 1055723, 1239327, 3167169, 9501507, 28504521]

約数ペア:

[(1, 28504521), (3, 9501507), (9, 3167169), (23, 1239327), (27, 1055723), (69, 413109), (197, 144693), (207, 137703), (233, 122337), (591, 48231), (621, 45901), (699, 40779), (1773, 16077), (2097, 13593), (4531, 6291), (5319, 5359)]