208298511

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:772

約数の個数: 36

約数和(自身を含む): 319709208

約数和(自身を除く): 111410697

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 529, 603, 653, 1541, 1587, 1959, 4623, 4761, 5877, 13869, 15019, 35443, 43751, 45057, 106329, 131253, 135171, 318987, 345437, 393759, 1006273, 1036311, 3018819, 3108933, 9056457, 23144279, 69432837, 208298511]

約数ペア:

[(1, 208298511), (3, 69432837), (9, 23144279), (23, 9056457), (67, 3108933), (69, 3018819), (201, 1036311), (207, 1006273), (529, 393759), (603, 345437), (653, 318987), (1541, 135171), (1587, 131253), (1959, 106329), (4623, 45057), (4761, 43751), (5877, 35443), (13869, 15019)]