1279307421

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{700223}}^1$

素因数の和:700265

約数の個数: 24

約数和(自身を含む): 2184698880

約数和(自身を除く): 905391459

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 700223, 2100669, 4901561, 6302007, 14704683, 20306467, 44114049, 60919401, 142145269, 182758203, 426435807, 1279307421]

約数ペア:

[(1, 1279307421), (3, 426435807), (7, 182758203), (9, 142145269), (21, 60919401), (29, 44114049), (63, 20306467), (87, 14704683), (203, 6302007), (261, 4901561), (609, 2100669), (1827, 700223)]