213473757

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6701}}^1$

素因数の和:6789

約数の個数: 32

約数和(自身を含む): 342284544

約数和(自身を除く): 128810787

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 4551, 6701, 10619, 20103, 31857, 46907, 140721, 247937, 274741, 743811, 824223, 1735559, 1923187, 5206677, 5769561, 10165417, 30496251, 71157919, 213473757]

約数ペア:

[(1, 213473757), (3, 71157919), (7, 30496251), (21, 10165417), (37, 5769561), (41, 5206677), (111, 1923187), (123, 1735559), (259, 824223), (287, 743811), (777, 274741), (861, 247937), (1517, 140721), (4551, 46907), (6701, 31857), (10619, 20103)]