209876247

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 148649193

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 179, 259, 333, 503, 537, 777, 1253, 1509, 1611, 2331, 3521, 3759, 4527, 6623, 10563, 11277, 18611, 19869, 31689, 46361, 55833, 59607, 90037, 130277, 139083, 167499, 270111, 390831, 417249, 630259, 810333, 1172493, 1890777, 3331369, 5672331, 9994107, 23319583, 29982321, 69958749, 209876247]

約数ペア:

[(1, 209876247), (3, 69958749), (7, 29982321), (9, 23319583), (21, 9994107), (37, 5672331), (63, 3331369), (111, 1890777), (179, 1172493), (259, 810333), (333, 630259), (503, 417249), (537, 390831), (777, 270111), (1253, 167499), (1509, 139083), (1611, 130277), (2331, 90037), (3521, 59607), (3759, 55833), (4527, 46361), (6623, 31689), (10563, 19869), (11277, 18611)]