128262057

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{7211}}^1$

素因数の和:7250

約数の個数: 36

約数和(自身を含む): 218696688

約数和(自身を除く): 90434631

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1617, 2541, 5929, 7211, 17787, 21633, 50477, 79321, 151431, 237963, 353339, 555247, 872531, 1060017, 1665741, 2617593, 3886729, 6107717, 11660187, 18323151, 42754019, 128262057]

約数ペア:

[(1, 128262057), (3, 42754019), (7, 18323151), (11, 11660187), (21, 6107717), (33, 3886729), (49, 2617593), (77, 1665741), (121, 1060017), (147, 872531), (231, 555247), (363, 353339), (539, 237963), (847, 151431), (1617, 79321), (2541, 50477), (5929, 21633), (7211, 17787)]