208147977

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{2803}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 310279424

約数和(自身を除く): 102131447

約数列:

[1, 3, 9, 37, 111, 223, 333, 669, 2007, 2803, 8251, 8409, 24753, 25227, 74259, 103711, 311133, 625069, 933399, 1875207, 5625621, 23127553, 69382659, 208147977]

約数ペア:

[(1, 208147977), (3, 69382659), (9, 23127553), (37, 5625621), (111, 1875207), (223, 933399), (333, 625069), (669, 311133), (2007, 103711), (2803, 74259), (8251, 25227), (8409, 24753)]