1221985.00000000

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 12304143

約数列:

[1, 3, 9, 29, 87, 223, 261, 419, 669, 1257, 2007, 3771, 6467, 12151, 19401, 36453, 58203, 93437, 109359, 280311, 840933, 2709673, 8129019, 24387057]

約数ペア:

[(1, 24387057), (3, 8129019), (9, 2709673), (29, 840933), (87, 280311), (223, 109359), (261, 93437), (419, 58203), (669, 36453), (1257, 19401), (2007, 12151), (3771, 6467)]