208078605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{220189}}^1$

素因数の和:220210

約数の個数: 32

約数和(自身を含む): 422764800

約数和(自身を除く): 214686195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 220189, 660567, 1100945, 1541323, 1981701, 3302835, 4623969, 5945103, 7706615, 9908505, 13871907, 23119845, 29725515, 41615721, 69359535, 208078605]

約数ペア:

[(1, 208078605), (3, 69359535), (5, 41615721), (7, 29725515), (9, 23119845), (15, 13871907), (21, 9908505), (27, 7706615), (35, 5945103), (45, 4623969), (63, 3302835), (105, 1981701), (135, 1541323), (189, 1100945), (315, 660567), (945, 220189)]