3904047

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 6656000

約数和(自身を除く): 2751953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 1999, 5997, 13993, 17991, 41979, 61969, 125937, 185907, 433783, 557721, 1301349, 3904047]

約数ペア:

[(1, 3904047), (3, 1301349), (7, 557721), (9, 433783), (21, 185907), (31, 125937), (63, 61969), (93, 41979), (217, 17991), (279, 13993), (651, 5997), (1953, 1999)]