198758427

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4153}}^1$

素因数の和:4259

約数の個数: 32

約数和(自身を含む): 315836928

約数和(自身を除く): 117078501

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 903, 1113, 2279, 4153, 6837, 12459, 15953, 29071, 47859, 87213, 178579, 220109, 535737, 660327, 1250053, 1540763, 3750159, 4622289, 9464687, 28394061, 66252809, 198758427]

約数ペア:

[(1, 198758427), (3, 66252809), (7, 28394061), (21, 9464687), (43, 4622289), (53, 3750159), (129, 1540763), (159, 1250053), (301, 660327), (371, 535737), (903, 220109), (1113, 178579), (2279, 87213), (4153, 47859), (6837, 29071), (12459, 15953)]