89075781

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 56

約数和(自身を含む): 144276000

約数和(自身を除く): 55200219

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 109, 171, 177, 243, 327, 513, 531, 729, 981, 1121, 1539, 1593, 2071, 2943, 3363, 4617, 4779, 6213, 6431, 8829, 10089, 13851, 14337, 18639, 19293, 26487, 30267, 43011, 55917, 57879, 79461, 90801, 122189, 167751, 173637, 272403, 366567, 503253, 520911, 817209, 1099701, 1509759, 1562733, 3299103, 4688199, 9897309, 29691927, 89075781]

約数ペア:

[(1, 89075781), (3, 29691927), (9, 9897309), (19, 4688199), (27, 3299103), (57, 1562733), (59, 1509759), (81, 1099701), (109, 817209), (171, 520911), (177, 503253), (243, 366567), (327, 272403), (513, 173637), (531, 167751), (729, 122189), (981, 90801), (1121, 79461), (1539, 57879), (1593, 55917), (2071, 43011), (2943, 30267), (3363, 26487), (4617, 19293), (4779, 18639), (6213, 14337), (6431, 13851), (8829, 10089)]