27775881

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 49570560

約数和(自身を除く): 21794679

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 483, 609, 661, 667, 1449, 1827, 1983, 2001, 4627, 4669, 5949, 6003, 13881, 14007, 15203, 19169, 41643, 42021, 45609, 57507, 106421, 134183, 136827, 172521, 319263, 402549, 440887, 957789, 1207647, 1322661, 3086209, 3967983, 9258627, 27775881]

約数ペア:

[(1, 27775881), (3, 9258627), (7, 3967983), (9, 3086209), (21, 1322661), (23, 1207647), (29, 957789), (63, 440887), (69, 402549), (87, 319263), (161, 172521), (203, 136827), (207, 134183), (261, 106421), (483, 57507), (609, 45609), (661, 42021), (667, 41643), (1449, 19169), (1827, 15203), (1983, 14007), (2001, 13881), (4627, 6003), (4669, 5949)]