220199679

素因数分解:

$3^2\times 7^2\times {\mathrm{233}}^1\times {\mathrm{2143}}^1$

素因数の和:2396

約数の個数: 36

約数和(自身を含む): 371756736

約数和(自身を除く): 151557057

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 233, 441, 699, 1631, 2097, 2143, 4893, 6429, 11417, 14679, 15001, 19287, 34251, 45003, 102753, 105007, 135009, 315021, 499319, 945063, 1497957, 3495233, 4493871, 10485699, 24466631, 31457097, 73399893, 220199679]

約数ペア:

[(1, 220199679), (3, 73399893), (7, 31457097), (9, 24466631), (21, 10485699), (49, 4493871), (63, 3495233), (147, 1497957), (233, 945063), (441, 499319), (699, 315021), (1631, 135009), (2097, 105007), (2143, 102753), (4893, 45003), (6429, 34251), (11417, 19287), (14679, 15001)]