1981922781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{54049}}^1$

素因数の和:54788

約数の個数: 16

約数和(自身を含む): 2801952000

約数和(自身を除く): 820029219

約数列:

[1, 3, 17, 51, 719, 2157, 12223, 36669, 54049, 162147, 918833, 2756499, 38861231, 116583693, 660640927, 1981922781]

約数ペア:

[(1, 1981922781), (3, 660640927), (17, 116583693), (51, 38861231), (719, 2756499), (2157, 918833), (12223, 162147), (36669, 54049)]