198905805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7993}}^1$

素因数の和:8090

約数の個数: 48

約数和(自身を含む): 399060480

約数和(自身を除く): 200154675

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 1185, 1659, 2765, 3555, 4977, 7993, 8295, 23979, 24885, 39965, 55951, 71937, 119895, 167853, 279755, 359685, 503559, 631447, 839265, 1894341, 2517795, 3157235, 4420129, 5683023, 9471705, 13260387, 22100645, 28415115, 39781161, 66301935, 198905805]

約数ペア:

[(1, 198905805), (3, 66301935), (5, 39781161), (7, 28415115), (9, 22100645), (15, 13260387), (21, 9471705), (35, 5683023), (45, 4420129), (63, 3157235), (79, 2517795), (105, 1894341), (237, 839265), (315, 631447), (395, 503559), (553, 359685), (711, 279755), (1185, 167853), (1659, 119895), (2765, 71937), (3555, 55951), (4977, 39965), (7993, 24885), (8295, 23979)]