200078721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 326860800

約数和(自身を除く): 126782079

約数列:

[1, 3, 9, 19, 27, 37, 57, 83, 111, 127, 171, 249, 333, 381, 513, 703, 747, 999, 1143, 1577, 2109, 2241, 2413, 3071, 3429, 4699, 4731, 6327, 7239, 9213, 10541, 14097, 14193, 18981, 21717, 27639, 31623, 42291, 42579, 58349, 65151, 82917, 89281, 94869, 126873, 175047, 200279, 267843, 284607, 390017, 525141, 600837, 803529, 1170051, 1575423, 1802511, 2410587, 3510153, 5407533, 7410323, 10530459, 22230969, 66692907, 200078721]

約数ペア:

[(1, 200078721), (3, 66692907), (9, 22230969), (19, 10530459), (27, 7410323), (37, 5407533), (57, 3510153), (83, 2410587), (111, 1802511), (127, 1575423), (171, 1170051), (249, 803529), (333, 600837), (381, 525141), (513, 390017), (703, 284607), (747, 267843), (999, 200279), (1143, 175047), (1577, 126873), (2109, 94869), (2241, 89281), (2413, 82917), (3071, 65151), (3429, 58349), (4699, 42579), (4731, 42291), (6327, 31623), (7239, 27639), (9213, 21717), (10541, 18981), (14097, 14193)]