51141321

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1$

素因数の和:1491

約数の個数: 64

約数和(自身を含む): 100085760

約数和(自身を除く): 48944439

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 99, 119, 153, 187, 189, 231, 297, 357, 459, 561, 693, 1071, 1309, 1447, 1683, 2079, 3213, 3927, 4341, 5049, 10129, 11781, 13023, 15917, 24599, 30387, 35343, 39069, 47751, 73797, 91161, 111419, 143253, 172193, 221391, 270589, 273483, 334257, 429759, 516579, 664173, 811767, 1002771, 1549737, 1894123, 2435301, 3008313, 4649211, 5682369, 7305903, 17047107, 51141321]

約数ペア:

[(1, 51141321), (3, 17047107), (7, 7305903), (9, 5682369), (11, 4649211), (17, 3008313), (21, 2435301), (27, 1894123), (33, 1549737), (51, 1002771), (63, 811767), (77, 664173), (99, 516579), (119, 429759), (153, 334257), (187, 273483), (189, 270589), (231, 221391), (297, 172193), (357, 143253), (459, 111419), (561, 91161), (693, 73797), (1071, 47751), (1309, 39069), (1447, 35343), (1683, 30387), (2079, 24599), (3213, 15917), (3927, 13023), (4341, 11781), (5049, 10129)]