287204703

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3001}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 426524160

約数和(自身を除く): 139319457

約数列:

[1, 3, 19, 23, 57, 69, 73, 219, 437, 1311, 1387, 1679, 3001, 4161, 5037, 9003, 31901, 57019, 69023, 95703, 171057, 207069, 219073, 657219, 1311437, 3934311, 4162387, 5038679, 12487161, 15116037, 95734901, 287204703]

約数ペア:

[(1, 287204703), (3, 95734901), (19, 15116037), (23, 12487161), (57, 5038679), (69, 4162387), (73, 3934311), (219, 1311437), (437, 657219), (1311, 219073), (1387, 207069), (1679, 171057), (3001, 95703), (4161, 69023), (5037, 57019), (9003, 31901)]