66915441

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 106479360

約数和(自身を除く): 39563919

約数列:

[1, 3, 9, 23, 29, 69, 71, 87, 157, 207, 213, 261, 471, 639, 667, 1413, 1633, 2001, 2059, 3611, 4553, 4899, 6003, 6177, 10833, 11147, 13659, 14697, 18531, 32499, 33441, 40977, 47357, 100323, 104719, 142071, 256381, 314157, 323263, 426213, 769143, 942471, 969789, 2307429, 2909367, 7435049, 22305147, 66915441]

約数ペア:

[(1, 66915441), (3, 22305147), (9, 7435049), (23, 2909367), (29, 2307429), (69, 969789), (71, 942471), (87, 769143), (157, 426213), (207, 323263), (213, 314157), (261, 256381), (471, 142071), (639, 104719), (667, 100323), (1413, 47357), (1633, 40977), (2001, 33441), (2059, 32499), (3611, 18531), (4553, 14697), (4899, 13659), (6003, 11147), (6177, 10833)]