15661794239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{129113}}^1$

素因数の和:129207

約数の個数: 32

約数和(自身を含む): 20360761344

約数和(自身を除く): 4698967105

約数列:

[1, 7, 13, 31, 43, 91, 217, 301, 403, 559, 1333, 2821, 3913, 9331, 17329, 121303, 129113, 903791, 1678469, 4002503, 5551859, 11749283, 28017521, 38863013, 52032539, 72174167, 172107629, 364227773, 505219169, 1204753403, 2237399177, 15661794239]

約数ペア:

[(1, 15661794239), (7, 2237399177), (13, 1204753403), (31, 505219169), (43, 364227773), (91, 172107629), (217, 72174167), (301, 52032539), (403, 38863013), (559, 28017521), (1333, 11749283), (2821, 5551859), (3913, 4002503), (9331, 1678469), (17329, 903791), (121303, 129113)]