1981197

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 3167424

約数和(自身を除く): 1186227

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 563, 1173, 1689, 3519, 5067, 9571, 12949, 28713, 38847, 86139, 116541, 220133, 660399, 1981197]

約数ペア:

[(1, 1981197), (3, 660399), (9, 220133), (17, 116541), (23, 86139), (51, 38847), (69, 28713), (153, 12949), (207, 9571), (391, 5067), (563, 3519), (1173, 1689)]