78885681

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{91621}}^1$

素因数の和:91672

約数の個数: 16

約数和(自身を含む): 123139968

約数和(自身を除く): 44254287

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 91621, 274863, 641347, 1924041, 3756461, 11269383, 26295227, 78885681]

約数ペア:

[(1, 78885681), (3, 26295227), (7, 11269383), (21, 3756461), (41, 1924041), (123, 641347), (287, 274863), (861, 91621)]