27983637

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 49926240

約数和(自身を除く): 21942603

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 81, 87, 99, 171, 209, 243, 261, 297, 319, 361, 513, 551, 627, 783, 891, 957, 1083, 1539, 1653, 1881, 2349, 2673, 2871, 3249, 3971, 4617, 4959, 5643, 6061, 7047, 8613, 9747, 10469, 11913, 14877, 16929, 18183, 25839, 29241, 31407, 35739, 44631, 50787, 54549, 77517, 87723, 94221, 107217, 115159, 133893, 163647, 282663, 321651, 345477, 490941, 847989, 964953, 1036431, 1472823, 2543967, 3109293, 9327879, 27983637]

約数ペア:

[(1, 27983637), (3, 9327879), (9, 3109293), (11, 2543967), (19, 1472823), (27, 1036431), (29, 964953), (33, 847989), (57, 490941), (81, 345477), (87, 321651), (99, 282663), (171, 163647), (209, 133893), (243, 115159), (261, 107217), (297, 94221), (319, 87723), (361, 77517), (513, 54549), (551, 50787), (627, 44631), (783, 35739), (891, 31407), (957, 29241), (1083, 25839), (1539, 18183), (1653, 16929), (1881, 14877), (2349, 11913), (2673, 10469), (2871, 9747), (3249, 8613), (3971, 7047), (4617, 6061), (4959, 5643)]