1021508739

素因数分解:

$3^4\times {\mathrm{661}}^1\times {\mathrm{19079}}^1$

素因数の和:19752

約数の個数: 20

約数和(自身を含む): 1528346160

約数和(自身を除く): 506837421

約数列:

[1, 3, 9, 27, 81, 661, 1983, 5949, 17847, 19079, 53541, 57237, 171711, 515133, 1545399, 12611219, 37833657, 113500971, 340502913, 1021508739]

約数ペア:

[(1, 1021508739), (3, 340502913), (9, 113500971), (27, 37833657), (81, 12611219), (661, 1545399), (1983, 515133), (5949, 171711), (17847, 57237), (19079, 53541)]