40668729

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 55240704

約数和(自身を除く): 14571975

約数列:

[1, 3, 71, 213, 431, 443, 1293, 1329, 30601, 31453, 91803, 94359, 190933, 572799, 13556243, 40668729]

約数ペア:

[(1, 40668729), (3, 13556243), (71, 572799), (213, 190933), (431, 94359), (443, 91803), (1293, 31453), (1329, 30601)]