155019879

素因数分解:

$3^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 282240000

約数和(自身を除く): 127220121

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 343, 399, 441, 513, 881, 931, 1029, 1197, 1323, 2643, 2793, 3087, 3591, 6167, 6517, 7929, 8379, 9261, 16739, 18501, 19551, 23787, 25137, 43169, 50217, 55503, 58653, 117173, 129507, 150651, 166509, 175959, 302183, 351519, 388521, 451953, 820211, 906549, 1054557, 1165563, 2460633, 2719647, 3163671, 5741477, 7381899, 8158941, 17224431, 22145697, 51673293, 155019879]

約数ペア:

[(1, 155019879), (3, 51673293), (7, 22145697), (9, 17224431), (19, 8158941), (21, 7381899), (27, 5741477), (49, 3163671), (57, 2719647), (63, 2460633), (133, 1165563), (147, 1054557), (171, 906549), (189, 820211), (343, 451953), (399, 388521), (441, 351519), (513, 302183), (881, 175959), (931, 166509), (1029, 150651), (1197, 129507), (1323, 117173), (2643, 58653), (2793, 55503), (3087, 50217), (3591, 43169), (6167, 25137), (6517, 23787), (7929, 19551), (8379, 18501), (9261, 16739)]