75640761

素因数分解:

$3^2\times 7^3\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 129168000

約数和(自身を除く): 53527239

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 229, 321, 343, 441, 687, 749, 963, 1029, 1603, 2061, 2247, 3087, 4809, 5243, 6741, 11221, 14427, 15729, 24503, 33663, 36701, 47187, 73509, 78547, 100989, 110103, 171521, 220527, 235641, 330309, 514563, 706923, 1200647, 1543689, 3601941, 8404529, 10805823, 25213587, 75640761]

約数ペア:

[(1, 75640761), (3, 25213587), (7, 10805823), (9, 8404529), (21, 3601941), (49, 1543689), (63, 1200647), (107, 706923), (147, 514563), (229, 330309), (321, 235641), (343, 220527), (441, 171521), (687, 110103), (749, 100989), (963, 78547), (1029, 73509), (1603, 47187), (2061, 36701), (2247, 33663), (3087, 24503), (4809, 15729), (5243, 14427), (6741, 11221)]