209548287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 340267200

約数和(自身を除く): 130718913

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 151, 261, 377, 409, 453, 1131, 1227, 1359, 1963, 3393, 3681, 4379, 5317, 5889, 11861, 13137, 15951, 17667, 35583, 39411, 47853, 56927, 61759, 106749, 154193, 170781, 185277, 462579, 512343, 555831, 802867, 1387737, 1791011, 2408601, 5373033, 7225803, 16119099, 23283143, 69849429, 209548287]

約数ペア:

[(1, 209548287), (3, 69849429), (9, 23283143), (13, 16119099), (29, 7225803), (39, 5373033), (87, 2408601), (117, 1791011), (151, 1387737), (261, 802867), (377, 555831), (409, 512343), (453, 462579), (1131, 185277), (1227, 170781), (1359, 154193), (1963, 106749), (3393, 61759), (3681, 56927), (4379, 47853), (5317, 39411), (5889, 35583), (11861, 17667), (13137, 15951)]