1207909971

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{371779}}^1$

素因数の和:371823

約数の個数: 18

約数和(自身を含む): 1841426340

約数和(自身を除く): 633516369

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 371779, 1115337, 3346011, 7063801, 21191403, 63574209, 134212219, 402636657, 1207909971]

約数ペア:

[(1, 1207909971), (3, 402636657), (9, 134212219), (19, 63574209), (57, 21191403), (171, 7063801), (361, 3346011), (1083, 1115337), (3249, 371779)]