31750719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 57953280

約数和(自身を除く): 26202561

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 97, 109, 143, 231, 273, 291, 327, 429, 679, 763, 1001, 1067, 1199, 1261, 1417, 2037, 2289, 3003, 3201, 3597, 3783, 4251, 7469, 8393, 8827, 9919, 10573, 13871, 15587, 22407, 25179, 26481, 29757, 31719, 41613, 46761, 74011, 97097, 109109, 116303, 137449, 222033, 291291, 327327, 348909, 412347, 814121, 962143, 1511939, 2442363, 2886429, 4535817, 10583573, 31750719]

約数ペア:

[(1, 31750719), (3, 10583573), (7, 4535817), (11, 2886429), (13, 2442363), (21, 1511939), (33, 962143), (39, 814121), (77, 412347), (91, 348909), (97, 327327), (109, 291291), (143, 222033), (231, 137449), (273, 116303), (291, 109109), (327, 97097), (429, 74011), (679, 46761), (763, 41613), (1001, 31719), (1067, 29757), (1199, 26481), (1261, 25179), (1417, 22407), (2037, 15587), (2289, 13871), (3003, 10573), (3201, 9919), (3597, 8827), (3783, 8393), (4251, 7469)]