72409909

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{3541}}^1$

素因数の和:3589

約数の個数: 18

約数和(自身を含む): 86208738

約数和(自身を除く): 13798829

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 3541, 20449, 38951, 46033, 428461, 506363, 598429, 5569993, 6582719, 72409909]

約数ペア:

[(1, 72409909), (11, 6582719), (13, 5569993), (121, 598429), (143, 506363), (169, 428461), (1573, 46033), (1859, 38951), (3541, 20449)]