208010943

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{3889}}^1$

素因数の和:4188

約数の個数: 32

約数和(自身を含む): 353523200

約数和(自身を除く): 145512257

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 849, 1981, 2547, 3889, 5943, 7641, 11667, 17829, 27223, 35001, 53487, 81669, 105003, 245007, 735021, 1100587, 3301761, 7704109, 9905283, 23112327, 29715849, 69336981, 208010943]

約数ペア:

[(1, 208010943), (3, 69336981), (7, 29715849), (9, 23112327), (21, 9905283), (27, 7704109), (63, 3301761), (189, 1100587), (283, 735021), (849, 245007), (1981, 105003), (2547, 81669), (3889, 53487), (5943, 35001), (7641, 27223), (11667, 17829)]