219795849

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29819}}^1$

素因数の和:29851

約数の個数: 40

約数和(自身を含む): 404120640

約数和(自身を除く): 184324791

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 29819, 89457, 208733, 268371, 387647, 626199, 805113, 1162941, 1878597, 2415339, 2713529, 3488823, 5635791, 8140587, 10466469, 16907373, 24421761, 31399407, 73265283, 219795849]

約数ペア:

[(1, 219795849), (3, 73265283), (7, 31399407), (9, 24421761), (13, 16907373), (21, 10466469), (27, 8140587), (39, 5635791), (63, 3488823), (81, 2713529), (91, 2415339), (117, 1878597), (189, 1162941), (273, 805113), (351, 626199), (567, 387647), (819, 268371), (1053, 208733), (2457, 89457), (7371, 29819)]