13216905

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 26853120

約数和(自身を除く): 13636215

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 443, 459, 585, 663, 765, 1105, 1329, 1755, 1989, 2215, 2295, 3315, 3987, 5759, 5967, 6645, 7531, 9945, 11961, 17277, 19935, 22593, 28795, 29835, 37655, 51831, 59805, 67779, 86385, 97903, 112965, 155493, 203337, 259155, 293709, 338895, 489515, 777465, 881127, 1016685, 1468545, 2643381, 4405635, 13216905]

約数ペア:

[(1, 13216905), (3, 4405635), (5, 2643381), (9, 1468545), (13, 1016685), (15, 881127), (17, 777465), (27, 489515), (39, 338895), (45, 293709), (51, 259155), (65, 203337), (85, 155493), (117, 112965), (135, 97903), (153, 86385), (195, 67779), (221, 59805), (255, 51831), (351, 37655), (443, 29835), (459, 28795), (585, 22593), (663, 19935), (765, 17277), (1105, 11961), (1329, 9945), (1755, 7531), (1989, 6645), (2215, 5967), (2295, 5759), (3315, 3987)]