208040751

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 337075200

約数和(自身を除く): 129034449

約数列:

[1, 3, 9, 27, 29, 37, 43, 87, 111, 129, 167, 261, 333, 387, 501, 783, 999, 1073, 1161, 1247, 1503, 1591, 3219, 3741, 4509, 4773, 4843, 6179, 7181, 9657, 11223, 14319, 14529, 18537, 21543, 28971, 33669, 42957, 43587, 46139, 55611, 64629, 130761, 138417, 166833, 179191, 193887, 208249, 265697, 415251, 537573, 624747, 797091, 1245753, 1612719, 1874241, 2391273, 4838157, 5622723, 7173819, 7705213, 23115639, 69346917, 208040751]

約数ペア:

[(1, 208040751), (3, 69346917), (9, 23115639), (27, 7705213), (29, 7173819), (37, 5622723), (43, 4838157), (87, 2391273), (111, 1874241), (129, 1612719), (167, 1245753), (261, 797091), (333, 624747), (387, 537573), (501, 415251), (783, 265697), (999, 208249), (1073, 193887), (1161, 179191), (1247, 166833), (1503, 138417), (1591, 130761), (3219, 64629), (3741, 55611), (4509, 46139), (4773, 43587), (4843, 42957), (6179, 33669), (7181, 28971), (9657, 21543), (11223, 18537), (14319, 14529)]