28806855

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 29945145

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 343, 385, 509, 539, 735, 1029, 1155, 1527, 1617, 1715, 2545, 2695, 3563, 3773, 5145, 5599, 7635, 8085, 10689, 11319, 16797, 17815, 18865, 24941, 27995, 39193, 53445, 56595, 74823, 83985, 117579, 124705, 174587, 195965, 274351, 374115, 523761, 587895, 823053, 872935, 1371755, 1920457, 2618805, 4115265, 5761371, 9602285, 28806855]

約数ペア:

[(1, 28806855), (3, 9602285), (5, 5761371), (7, 4115265), (11, 2618805), (15, 1920457), (21, 1371755), (33, 872935), (35, 823053), (49, 587895), (55, 523761), (77, 374115), (105, 274351), (147, 195965), (165, 174587), (231, 124705), (245, 117579), (343, 83985), (385, 74823), (509, 56595), (539, 53445), (735, 39193), (1029, 27995), (1155, 24941), (1527, 18865), (1617, 17815), (1715, 16797), (2545, 11319), (2695, 10689), (3563, 8085), (3773, 7635), (5145, 5599)]