921539905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{1361}}^1$

素因数の和:2337

約数の個数: 32

約数和(自身を含む): 1301505408

約数和(自身を除く): 379965503

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 947, 1361, 4735, 6805, 10417, 12311, 14971, 17693, 52085, 61555, 74855, 88465, 135421, 194623, 677105, 973115, 1288867, 6444335, 14177537, 16755271, 70887685, 83776355, 184307981, 921539905]

約数ペア:

[(1, 921539905), (5, 184307981), (11, 83776355), (13, 70887685), (55, 16755271), (65, 14177537), (143, 6444335), (715, 1288867), (947, 973115), (1361, 677105), (4735, 194623), (6805, 135421), (10417, 88465), (12311, 74855), (14971, 61555), (17693, 52085)]