165805381

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 205701120

約数和(自身を除く): 39895739

約数列:

[1, 7, 19, 61, 107, 133, 191, 427, 749, 1159, 1337, 2033, 3629, 6527, 8113, 11651, 14231, 20437, 25403, 45689, 81557, 124013, 143059, 221369, 388303, 868091, 1246657, 1549583, 2718121, 8726599, 23686483, 165805381]

約数ペア:

[(1, 165805381), (7, 23686483), (19, 8726599), (61, 2718121), (107, 1549583), (133, 1246657), (191, 868091), (427, 388303), (749, 221369), (1159, 143059), (1337, 124013), (2033, 81557), (3629, 45689), (6527, 25403), (8113, 20437), (11651, 14231)]