28818747

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 46464000

約数和(自身を除く): 17645253

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 207, 279, 499, 621, 713, 837, 1497, 1863, 2139, 2511, 4491, 6417, 11477, 13473, 15469, 19251, 34431, 40419, 46407, 57753, 103293, 139221, 309879, 355787, 417663, 929637, 1067361, 1252989, 3202083, 9606249, 28818747]

約数ペア:

[(1, 28818747), (3, 9606249), (9, 3202083), (23, 1252989), (27, 1067361), (31, 929637), (69, 417663), (81, 355787), (93, 309879), (207, 139221), (279, 103293), (499, 57753), (621, 46407), (713, 40419), (837, 34431), (1497, 19251), (1863, 15469), (2139, 13473), (2511, 11477), (4491, 6417)]