131521347

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{761}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 201533760

約数和(自身を除く): 70012413

約数列:

[1, 3, 9, 27, 37, 111, 173, 333, 519, 761, 999, 1557, 2283, 4671, 6401, 6849, 19203, 20547, 28157, 57609, 84471, 131653, 172827, 253413, 394959, 760239, 1184877, 3554631, 4871161, 14613483, 43840449, 131521347]

約数ペア:

[(1, 131521347), (3, 43840449), (9, 14613483), (27, 4871161), (37, 3554631), (111, 1184877), (173, 760239), (333, 394959), (519, 253413), (761, 172827), (999, 131653), (1557, 84471), (2283, 57609), (4671, 28157), (6401, 20547), (6849, 19203)]