68604255

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 122803200

約数和(自身を除く): 54198945

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 163, 199, 235, 423, 489, 597, 705, 815, 995, 1467, 1791, 2115, 2445, 2985, 7335, 7661, 8955, 9353, 22983, 28059, 32437, 38305, 46765, 68949, 84177, 97311, 114915, 140295, 162185, 291933, 344745, 420885, 486555, 1459665, 1524539, 4573617, 7622695, 13720851, 22868085, 68604255]

約数ペア:

[(1, 68604255), (3, 22868085), (5, 13720851), (9, 7622695), (15, 4573617), (45, 1524539), (47, 1459665), (141, 486555), (163, 420885), (199, 344745), (235, 291933), (423, 162185), (489, 140295), (597, 114915), (705, 97311), (815, 84177), (995, 68949), (1467, 46765), (1791, 38305), (2115, 32437), (2445, 28059), (2985, 22983), (7335, 9353), (7661, 8955)]