1279402509

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{26249}}^1$

素因数の和:26481

約数の個数: 32

約数和(自身を含む): 2136960000

約数和(自身を除く): 857557491

約数列:

[1, 3, 7, 11, 21, 33, 77, 211, 231, 633, 1477, 2321, 4431, 6963, 16247, 26249, 48741, 78747, 183743, 288739, 551229, 866217, 2021173, 5538539, 6063519, 16615617, 38769773, 60923929, 116309319, 182771787, 426467503, 1279402509]

約数ペア:

[(1, 1279402509), (3, 426467503), (7, 182771787), (11, 116309319), (21, 60923929), (33, 38769773), (77, 16615617), (211, 6063519), (231, 5538539), (633, 2021173), (1477, 866217), (2321, 551229), (4431, 288739), (6963, 183743), (16247, 78747), (26249, 48741)]