67721589

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 110563992

約数和(自身を除く): 42842403

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 351, 657, 881, 949, 1053, 1971, 2643, 2847, 5913, 7929, 8541, 11453, 23787, 25623, 34359, 64313, 71361, 76869, 103077, 192939, 309231, 578817, 836069, 927693, 1736451, 2508207, 5209353, 7524621, 22573863, 67721589]

約数ペア:

[(1, 67721589), (3, 22573863), (9, 7524621), (13, 5209353), (27, 2508207), (39, 1736451), (73, 927693), (81, 836069), (117, 578817), (219, 309231), (351, 192939), (657, 103077), (881, 76869), (949, 71361), (1053, 64313), (1971, 34359), (2643, 25623), (2847, 23787), (5913, 11453), (7929, 8541)]