2721411

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 72

約数和(自身を含む): 5458320

約数和(自身を除く): 2736909

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 49, 51, 63, 77, 99, 119, 121, 147, 153, 187, 189, 231, 297, 357, 363, 441, 459, 539, 561, 693, 833, 847, 1071, 1089, 1309, 1323, 1617, 1683, 2057, 2079, 2499, 2541, 3213, 3267, 3927, 4851, 5049, 5929, 6171, 7497, 7623, 9163, 11781, 14399, 14553, 17787, 18513, 22491, 22869, 27489, 35343, 43197, 53361, 55539, 82467, 100793, 129591, 160083, 247401, 302379, 388773, 907137, 2721411]

約数ペア:

[(1, 2721411), (3, 907137), (7, 388773), (9, 302379), (11, 247401), (17, 160083), (21, 129591), (27, 100793), (33, 82467), (49, 55539), (51, 53361), (63, 43197), (77, 35343), (99, 27489), (119, 22869), (121, 22491), (147, 18513), (153, 17787), (187, 14553), (189, 14399), (231, 11781), (297, 9163), (357, 7623), (363, 7497), (441, 6171), (459, 5929), (539, 5049), (561, 4851), (693, 3927), (833, 3267), (847, 3213), (1071, 2541), (1089, 2499), (1309, 2079), (1323, 2057), (1617, 1683)]