280110159

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1103}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 482227200

約数和(自身を除く): 202117041

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 139, 203, 261, 417, 609, 973, 1103, 1251, 1827, 2919, 3309, 4031, 7721, 8757, 9927, 12093, 23163, 28217, 31987, 36279, 69489, 84651, 95961, 153317, 223909, 253953, 287883, 459951, 671727, 1073219, 1379853, 2015181, 3219657, 4446193, 9658971, 13338579, 31123351, 40015737, 93370053, 280110159]

約数ペア:

[(1, 280110159), (3, 93370053), (7, 40015737), (9, 31123351), (21, 13338579), (29, 9658971), (63, 4446193), (87, 3219657), (139, 2015181), (203, 1379853), (261, 1073219), (417, 671727), (609, 459951), (973, 287883), (1103, 253953), (1251, 223909), (1827, 153317), (2919, 95961), (3309, 84651), (4031, 69489), (7721, 36279), (8757, 31987), (9927, 28217), (12093, 23163)]