201765915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1109}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 378181440

約数和(自身を除く): 176415525

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 311, 585, 933, 1109, 1555, 2799, 3327, 4043, 4665, 5545, 9981, 12129, 13995, 14417, 16635, 20215, 36387, 43251, 49905, 60645, 72085, 129753, 181935, 216255, 344899, 648765, 1034697, 1724495, 3104091, 4483687, 5173485, 13451061, 15520455, 22418435, 40353183, 67255305, 201765915]

約数ペア:

[(1, 201765915), (3, 67255305), (5, 40353183), (9, 22418435), (13, 15520455), (15, 13451061), (39, 5173485), (45, 4483687), (65, 3104091), (117, 1724495), (195, 1034697), (311, 648765), (585, 344899), (933, 216255), (1109, 181935), (1555, 129753), (2799, 72085), (3327, 60645), (4043, 49905), (4665, 43251), (5545, 36387), (9981, 20215), (12129, 16635), (13995, 14417)]