27115641

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 21805959

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 839, 1197, 1539, 1701, 2517, 3591, 4617, 5873, 7551, 10773, 15941, 17619, 22653, 32319, 47823, 52857, 67959, 111587, 143469, 158571, 203877, 334761, 430407, 475713, 1004283, 1291221, 1427139, 3012849, 3873663, 9038547, 27115641]

約数ペア:

[(1, 27115641), (3, 9038547), (7, 3873663), (9, 3012849), (19, 1427139), (21, 1291221), (27, 1004283), (57, 475713), (63, 430407), (81, 334761), (133, 203877), (171, 158571), (189, 143469), (243, 111587), (399, 67959), (513, 52857), (567, 47823), (839, 32319), (1197, 22653), (1539, 17619), (1701, 15941), (2517, 10773), (3591, 7551), (4617, 5873)]