28118643

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 45219840

約数和(自身を除く): 17101197

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 919, 987, 1457, 2757, 4371, 6433, 10199, 19299, 28489, 30597, 43193, 85467, 129579, 199423, 302351, 598269, 907053, 1338983, 4016949, 9372881, 28118643]

約数ペア:

[(1, 28118643), (3, 9372881), (7, 4016949), (21, 1338983), (31, 907053), (47, 598269), (93, 302351), (141, 199423), (217, 129579), (329, 85467), (651, 43193), (919, 30597), (987, 28489), (1457, 19299), (2757, 10199), (4371, 6433)]