210005679

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 311981824

約数和(自身を除く): 101976145

約数列:

[1, 3, 13, 39, 43, 97, 129, 291, 559, 1261, 1291, 1677, 3783, 3873, 4171, 12513, 16783, 50349, 54223, 55513, 125227, 162669, 166539, 375681, 721669, 1627951, 2165007, 4883853, 5384761, 16154283, 70001893, 210005679]

約数ペア:

[(1, 210005679), (3, 70001893), (13, 16154283), (39, 5384761), (43, 4883853), (97, 2165007), (129, 1627951), (291, 721669), (559, 375681), (1261, 166539), (1291, 162669), (1677, 125227), (3783, 55513), (3873, 54223), (4171, 50349), (12513, 16783)]