16807791

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 31288320

約数和(自身を除く): 14480529

約数列:

[1, 3, 7, 11, 13, 21, 29, 33, 39, 77, 87, 91, 143, 193, 203, 231, 273, 319, 377, 429, 579, 609, 957, 1001, 1131, 1351, 2123, 2233, 2509, 2639, 3003, 4053, 4147, 5597, 6369, 6699, 7527, 7917, 12441, 14861, 16791, 17563, 27599, 29029, 39179, 44583, 52689, 61567, 72761, 82797, 87087, 117537, 184701, 193193, 218283, 430969, 509327, 579579, 800371, 1292907, 1527981, 2401113, 5602597, 16807791]

約数ペア:

[(1, 16807791), (3, 5602597), (7, 2401113), (11, 1527981), (13, 1292907), (21, 800371), (29, 579579), (33, 509327), (39, 430969), (77, 218283), (87, 193193), (91, 184701), (143, 117537), (193, 87087), (203, 82797), (231, 72761), (273, 61567), (319, 52689), (377, 44583), (429, 39179), (579, 29029), (609, 27599), (957, 17563), (1001, 16791), (1131, 14861), (1351, 12441), (2123, 7917), (2233, 7527), (2509, 6699), (2639, 6369), (3003, 5597), (4053, 4147)]