2528757

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2188683

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 89, 99, 123, 231, 267, 287, 369, 451, 623, 693, 801, 861, 979, 1353, 1869, 2583, 2937, 3157, 3649, 4059, 5607, 6853, 8811, 9471, 10947, 20559, 25543, 28413, 32841, 40139, 61677, 76629, 120417, 229887, 280973, 361251, 842919, 2528757]

約数ペア:

[(1, 2528757), (3, 842919), (7, 361251), (9, 280973), (11, 229887), (21, 120417), (33, 76629), (41, 61677), (63, 40139), (77, 32841), (89, 28413), (99, 25543), (123, 20559), (231, 10947), (267, 9471), (287, 8811), (369, 6853), (451, 5607), (623, 4059), (693, 3649), (801, 3157), (861, 2937), (979, 2583), (1353, 1869)]