25780923

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 40

約数和(自身を含む): 45128160

約数和(自身を除く): 19347237

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 1107, 1109, 2583, 3321, 3327, 7749, 7763, 9981, 23247, 23289, 29943, 45469, 69867, 89829, 136407, 209601, 318283, 409221, 628803, 954849, 1227663, 2864547, 3682989, 8593641, 25780923]

約数ペア:

[(1, 25780923), (3, 8593641), (7, 3682989), (9, 2864547), (21, 1227663), (27, 954849), (41, 628803), (63, 409221), (81, 318283), (123, 209601), (189, 136407), (287, 89829), (369, 69867), (567, 45469), (861, 29943), (1107, 23289), (1109, 23247), (2583, 9981), (3321, 7763), (3327, 7749)]