27156339

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 48256000

約数和(自身を除く): 21099661

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 463, 931, 1029, 1197, 1389, 2793, 3087, 3241, 4167, 6517, 8379, 8797, 9723, 19551, 22687, 26391, 29169, 58653, 61579, 68061, 79173, 158809, 184737, 204183, 431053, 476427, 554211, 1293159, 1429281, 3017371, 3879477, 9052113, 27156339]

約数ペア:

[(1, 27156339), (3, 9052113), (7, 3879477), (9, 3017371), (19, 1429281), (21, 1293159), (49, 554211), (57, 476427), (63, 431053), (133, 204183), (147, 184737), (171, 158809), (343, 79173), (399, 68061), (441, 61579), (463, 58653), (931, 29169), (1029, 26391), (1197, 22687), (1389, 19551), (2793, 9723), (3087, 8797), (3241, 8379), (4167, 6517)]