25647921

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 43295616

約数和(自身を除く): 17647695

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 243, 299, 351, 353, 621, 897, 1053, 1059, 1863, 2691, 3159, 3177, 4589, 5589, 8073, 8119, 9531, 13767, 24219, 24357, 28593, 41301, 72657, 73071, 85779, 105547, 123903, 219213, 316641, 371709, 657639, 949923, 1115127, 1972917, 2849769, 8549307, 25647921]

約数ペア:

[(1, 25647921), (3, 8549307), (9, 2849769), (13, 1972917), (23, 1115127), (27, 949923), (39, 657639), (69, 371709), (81, 316641), (117, 219213), (207, 123903), (243, 105547), (299, 85779), (351, 73071), (353, 72657), (621, 41301), (897, 28593), (1053, 24357), (1059, 24219), (1863, 13767), (2691, 9531), (3159, 8119), (3177, 8073), (4589, 5589)]