25681293

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 46347840

約数和(自身を除く): 20666547

約数列:

[1, 3, 9, 11, 19, 27, 33, 37, 41, 57, 81, 99, 111, 123, 171, 209, 297, 333, 369, 407, 451, 513, 627, 703, 779, 891, 999, 1107, 1221, 1353, 1517, 1539, 1881, 2109, 2337, 2997, 3321, 3663, 4059, 4551, 5643, 6327, 7011, 7733, 8569, 10989, 12177, 13653, 16687, 16929, 18981, 21033, 23199, 25707, 28823, 32967, 36531, 40959, 50061, 56943, 63099, 69597, 77121, 86469, 122877, 150183, 208791, 231363, 259407, 317053, 450549, 626373, 694089, 778221, 951159, 1351647, 2334663, 2853477, 8560431, 25681293]

約数ペア:

[(1, 25681293), (3, 8560431), (9, 2853477), (11, 2334663), (19, 1351647), (27, 951159), (33, 778221), (37, 694089), (41, 626373), (57, 450549), (81, 317053), (99, 259407), (111, 231363), (123, 208791), (171, 150183), (209, 122877), (297, 86469), (333, 77121), (369, 69597), (407, 63099), (451, 56943), (513, 50061), (627, 40959), (703, 36531), (779, 32967), (891, 28823), (999, 25707), (1107, 23199), (1221, 21033), (1353, 18981), (1517, 16929), (1539, 16687), (1881, 13653), (2109, 12177), (2337, 10989), (2997, 8569), (3321, 7733), (3663, 7011), (4059, 6327), (4551, 5643)]