29173221

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 25601499

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 89, 99, 121, 129, 231, 267, 301, 363, 387, 473, 623, 693, 801, 847, 903, 979, 1089, 1419, 1869, 2541, 2709, 2937, 3311, 3827, 4257, 5203, 5607, 6853, 7623, 8811, 9933, 10769, 11481, 15609, 20559, 26789, 29799, 32307, 34443, 36421, 42097, 46827, 61677, 75383, 80367, 96921, 109263, 126291, 226149, 241101, 294679, 327789, 378873, 463067, 678447, 884037, 1389201, 2652111, 3241469, 4167603, 9724407, 29173221]

約数ペア:

[(1, 29173221), (3, 9724407), (7, 4167603), (9, 3241469), (11, 2652111), (21, 1389201), (33, 884037), (43, 678447), (63, 463067), (77, 378873), (89, 327789), (99, 294679), (121, 241101), (129, 226149), (231, 126291), (267, 109263), (301, 96921), (363, 80367), (387, 75383), (473, 61677), (623, 46827), (693, 42097), (801, 36421), (847, 34443), (903, 32307), (979, 29799), (1089, 26789), (1419, 20559), (1869, 15609), (2541, 11481), (2709, 10769), (2937, 9933), (3311, 8811), (3827, 7623), (4257, 6853), (5203, 5607)]