28821663

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 46998336

約数和(自身を除く): 18176673

約数列:

[1, 3, 9, 13, 27, 39, 81, 101, 117, 271, 303, 351, 813, 909, 1053, 1313, 2439, 2727, 3523, 3939, 7317, 8181, 10569, 11817, 21951, 27371, 31707, 35451, 82113, 95121, 106353, 246339, 285363, 355823, 739017, 1067469, 2217051, 3202407, 9607221, 28821663]

約数ペア:

[(1, 28821663), (3, 9607221), (9, 3202407), (13, 2217051), (27, 1067469), (39, 739017), (81, 355823), (101, 285363), (117, 246339), (271, 106353), (303, 95121), (351, 82113), (813, 35451), (909, 31707), (1053, 27371), (1313, 21951), (2439, 11817), (2727, 10569), (3523, 8181), (3939, 7317)]