1899696969

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1601}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 3008940480

約数和(自身を除く): 1109243511

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 257, 513, 771, 1539, 1601, 2313, 4617, 4803, 4883, 6939, 14409, 14649, 20817, 30419, 43227, 43947, 62451, 91257, 129681, 131841, 273771, 389043, 395523, 411457, 821313, 1186569, 1234371, 2463939, 3703113, 7391817, 7817683, 11109339, 23453049, 33328017, 70359147, 99984051, 211077441, 633232323, 1899696969]

約数ペア:

[(1, 1899696969), (3, 633232323), (9, 211077441), (19, 99984051), (27, 70359147), (57, 33328017), (81, 23453049), (171, 11109339), (243, 7817683), (257, 7391817), (513, 3703113), (771, 2463939), (1539, 1234371), (1601, 1186569), (2313, 821313), (4617, 411457), (4803, 395523), (4883, 389043), (6939, 273771), (14409, 131841), (14649, 129681), (20817, 91257), (30419, 62451), (43227, 43947)]