9867921

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 15714048

約数和(自身を除く): 5846127

約数列:

[1, 3, 7, 21, 41, 73, 123, 157, 219, 287, 471, 511, 861, 1099, 1533, 2993, 3297, 6437, 8979, 11461, 19311, 20951, 34383, 45059, 62853, 80227, 135177, 240681, 469901, 1409703, 3289307, 9867921]

約数ペア:

[(1, 9867921), (3, 3289307), (7, 1409703), (21, 469901), (41, 240681), (73, 135177), (123, 80227), (157, 62853), (219, 45059), (287, 34383), (471, 20951), (511, 19311), (861, 11461), (1099, 8979), (1533, 6437), (2993, 3297)]