195489

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 336960

約数和(自身を除く): 141471

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 107, 203, 261, 321, 609, 749, 963, 1827, 2247, 3103, 6741, 9309, 21721, 27927, 65163, 195489]

約数ペア:

[(1, 195489), (3, 65163), (7, 27927), (9, 21721), (21, 9309), (29, 6741), (63, 3103), (87, 2247), (107, 1827), (203, 963), (261, 749), (321, 609)]