81722859

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 118831680

約数和(自身を除く): 37108821

約数列:

[1, 3, 17, 51, 61, 109, 183, 241, 327, 723, 1037, 1853, 3111, 4097, 5559, 6649, 12291, 14701, 19947, 26269, 44103, 78807, 113033, 249917, 339099, 446573, 749751, 1339719, 1602409, 4807227, 27240953, 81722859]

約数ペア:

[(1, 81722859), (3, 27240953), (17, 4807227), (51, 1602409), (61, 1339719), (109, 749751), (183, 446573), (241, 339099), (327, 249917), (723, 113033), (1037, 78807), (1853, 44103), (3111, 26269), (4097, 19947), (5559, 14701), (6649, 12291)]