26902281

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21001}}^1$

素因数の和:21072

約数の個数: 16

約数和(自身を含む): 41667968

約数和(自身を除く): 14765687

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 21001, 63003, 147007, 441021, 1281061, 3843183, 8967427, 26902281]

約数ペア:

[(1, 26902281), (3, 8967427), (7, 3843183), (21, 1281061), (61, 441021), (183, 147007), (427, 63003), (1281, 21001)]