31664583

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 19703097

約数列:

[1, 3, 9, 19, 23, 57, 69, 83, 97, 171, 207, 249, 291, 437, 747, 873, 1311, 1577, 1843, 1909, 2231, 3933, 4731, 5529, 5727, 6693, 8051, 14193, 16587, 17181, 20079, 24153, 36271, 42389, 72459, 108813, 127167, 152969, 185173, 326439, 381501, 458907, 555519, 1376721, 1666557, 3518287, 10554861, 31664583]

約数ペア:

[(1, 31664583), (3, 10554861), (9, 3518287), (19, 1666557), (23, 1376721), (57, 555519), (69, 458907), (83, 381501), (97, 326439), (171, 185173), (207, 152969), (249, 127167), (291, 108813), (437, 72459), (747, 42389), (873, 36271), (1311, 24153), (1577, 20079), (1843, 17181), (1909, 16587), (2231, 14193), (3933, 8051), (4731, 6693), (5529, 5727)]