208580031

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1949}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 350438400

約数和(自身を除く): 141858369

約数列:

[1, 3, 9, 11, 23, 33, 47, 69, 99, 141, 207, 253, 423, 517, 759, 1081, 1551, 1949, 2277, 3243, 4653, 5847, 9729, 11891, 17541, 21439, 35673, 44827, 64317, 91603, 107019, 134481, 192951, 274809, 403443, 493097, 824427, 1007633, 1479291, 2106869, 3022899, 4437873, 6320607, 9068697, 18961821, 23175559, 69526677, 208580031]

約数ペア:

[(1, 208580031), (3, 69526677), (9, 23175559), (11, 18961821), (23, 9068697), (33, 6320607), (47, 4437873), (69, 3022899), (99, 2106869), (141, 1479291), (207, 1007633), (253, 824427), (423, 493097), (517, 403443), (759, 274809), (1081, 192951), (1551, 134481), (1949, 107019), (2277, 91603), (3243, 64317), (4653, 44827), (5847, 35673), (9729, 21439), (11891, 17541)]