1891551165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{111893}}^1$

素因数の和:111938

約数の個数: 48

約数和(自身を含む): 3673703808

約数和(自身を除く): 1782152643

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 2415, 3381, 5635, 16905, 111893, 335679, 559465, 783251, 1678395, 2349753, 2573539, 3916255, 5482757, 7720617, 11748765, 12867695, 16448271, 18014773, 27413785, 38603085, 54044319, 82241355, 90073865, 126103411, 270221595, 378310233, 630517055, 1891551165]

約数ペア:

[(1, 1891551165), (3, 630517055), (5, 378310233), (7, 270221595), (15, 126103411), (21, 90073865), (23, 82241355), (35, 54044319), (49, 38603085), (69, 27413785), (105, 18014773), (115, 16448271), (147, 12867695), (161, 11748765), (245, 7720617), (345, 5482757), (483, 3916255), (735, 2573539), (805, 2349753), (1127, 1678395), (2415, 783251), (3381, 559465), (5635, 335679), (16905, 111893)]