201781773

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{11171}}^1$

素因数の和:11406

約数の個数: 20

約数和(自身を含む): 302805888

約数和(自身を除く): 101024115

約数列:

[1, 3, 9, 27, 81, 223, 669, 2007, 6021, 11171, 18063, 33513, 100539, 301617, 904851, 2491133, 7473399, 22420197, 67260591, 201781773]

約数ペア:

[(1, 201781773), (3, 67260591), (9, 22420197), (27, 7473399), (81, 2491133), (223, 904851), (669, 301617), (2007, 100539), (6021, 33513), (11171, 18063)]