30262221

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 50433600

約数和(自身を除く): 20171379

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 121, 157, 177, 297, 363, 471, 531, 649, 1089, 1413, 1593, 1727, 1947, 3267, 4239, 5181, 5841, 7139, 9263, 15543, 17523, 18997, 21417, 27789, 46629, 56991, 64251, 83367, 101893, 170973, 192753, 250101, 305679, 512919, 917037, 1120823, 2751111, 3362469, 10087407, 30262221]

約数ペア:

[(1, 30262221), (3, 10087407), (9, 3362469), (11, 2751111), (27, 1120823), (33, 917037), (59, 512919), (99, 305679), (121, 250101), (157, 192753), (177, 170973), (297, 101893), (363, 83367), (471, 64251), (531, 56991), (649, 46629), (1089, 27789), (1413, 21417), (1593, 18997), (1727, 17523), (1947, 15543), (3267, 9263), (4239, 7139), (5181, 5841)]