26813709

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 54

約数和(自身を含む): 45281886

約数和(自身を除く): 18468177

約数列:

[1, 3, 9, 13, 17, 39, 51, 61, 117, 153, 169, 183, 221, 289, 507, 549, 663, 793, 867, 1037, 1521, 1989, 2379, 2601, 2873, 3111, 3757, 7137, 8619, 9333, 10309, 11271, 13481, 17629, 25857, 30927, 33813, 40443, 48841, 52887, 92781, 121329, 146523, 158661, 175253, 229177, 439569, 525759, 687531, 1577277, 2062593, 2979301, 8937903, 26813709]

約数ペア:

[(1, 26813709), (3, 8937903), (9, 2979301), (13, 2062593), (17, 1577277), (39, 687531), (51, 525759), (61, 439569), (117, 229177), (153, 175253), (169, 158661), (183, 146523), (221, 121329), (289, 92781), (507, 52887), (549, 48841), (663, 40443), (793, 33813), (867, 30927), (1037, 25857), (1521, 17629), (1989, 13481), (2379, 11271), (2601, 10309), (2873, 9333), (3111, 8619), (3757, 7137)]