126972279

素因数分解:

$3^4\times 7^2\times {\mathrm{31991}}^1$

素因数の和:32017

約数の個数: 30

約数和(自身を含む): 220648824

約数和(自身を除く): 93676545

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 31991, 95973, 223937, 287919, 671811, 863757, 1567559, 2015433, 2591271, 4702677, 6046299, 14108031, 18138897, 42324093, 126972279]

約数ペア:

[(1, 126972279), (3, 42324093), (7, 18138897), (9, 14108031), (21, 6046299), (27, 4702677), (49, 2591271), (63, 2015433), (81, 1567559), (147, 863757), (189, 671811), (441, 287919), (567, 223937), (1323, 95973), (3969, 31991)]