22180389

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 40027680

約数和(自身を除く): 17847291

約数列:

[1, 3, 7, 11, 21, 29, 33, 43, 49, 77, 87, 121, 129, 147, 203, 231, 301, 319, 363, 473, 539, 609, 847, 903, 957, 1247, 1419, 1421, 1617, 2107, 2233, 2541, 3311, 3509, 3741, 4263, 5203, 5929, 6321, 6699, 8729, 9933, 10527, 13717, 15609, 15631, 17787, 23177, 24563, 26187, 36421, 41151, 46893, 61103, 69531, 73689, 96019, 109263, 150887, 171941, 183309, 254947, 288057, 452661, 515823, 672133, 764841, 1056209, 2016399, 3168627, 7393463, 22180389]

約数ペア:

[(1, 22180389), (3, 7393463), (7, 3168627), (11, 2016399), (21, 1056209), (29, 764841), (33, 672133), (43, 515823), (49, 452661), (77, 288057), (87, 254947), (121, 183309), (129, 171941), (147, 150887), (203, 109263), (231, 96019), (301, 73689), (319, 69531), (363, 61103), (473, 46893), (539, 41151), (609, 36421), (847, 26187), (903, 24563), (957, 23177), (1247, 17787), (1419, 15631), (1421, 15609), (1617, 13717), (2107, 10527), (2233, 9933), (2541, 8729), (3311, 6699), (3509, 6321), (3741, 5929), (4263, 5203)]