2991303

素因数分解:

$3^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 64

約数和(自身を含む): 5760000

約数和(自身を除く): 2768697

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 49, 51, 57, 63, 119, 133, 147, 153, 171, 189, 323, 343, 357, 399, 441, 459, 513, 833, 931, 969, 1029, 1071, 1197, 1323, 2261, 2499, 2793, 2907, 3087, 3213, 3591, 5831, 6517, 6783, 7497, 8379, 8721, 9261, 15827, 17493, 19551, 20349, 22491, 25137, 47481, 52479, 58653, 61047, 110789, 142443, 157437, 175959, 332367, 427329, 997101, 2991303]

約数ペア:

[(1, 2991303), (3, 997101), (7, 427329), (9, 332367), (17, 175959), (19, 157437), (21, 142443), (27, 110789), (49, 61047), (51, 58653), (57, 52479), (63, 47481), (119, 25137), (133, 22491), (147, 20349), (153, 19551), (171, 17493), (189, 15827), (323, 9261), (343, 8721), (357, 8379), (399, 7497), (441, 6783), (459, 6517), (513, 5831), (833, 3591), (931, 3213), (969, 3087), (1029, 2907), (1071, 2793), (1197, 2499), (1323, 2261)]