55978419

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 87851520

約数和(自身を除く): 31873101

約数列:

[1, 3, 7, 21, 61, 89, 183, 267, 427, 491, 623, 1281, 1473, 1869, 3437, 5429, 10311, 16287, 29951, 38003, 43699, 89853, 114009, 131097, 209657, 305893, 628971, 917679, 2665639, 7996917, 18659473, 55978419]

約数ペア:

[(1, 55978419), (3, 18659473), (7, 7996917), (21, 2665639), (61, 917679), (89, 628971), (183, 305893), (267, 209657), (427, 131097), (491, 114009), (623, 89853), (1281, 43699), (1473, 38003), (1869, 29951), (3437, 16287), (5429, 10311)]