221821358103

素因数分解:

$3^2\times {\mathrm{149}}^2\times {\mathrm{1110167}}^1$

素因数の和:1110471

約数の個数: 18

約数和(自身を含む): 322573744584

約数和(自身を除く): 100752386481

約数列:

[1, 3, 9, 149, 447, 1341, 22201, 66603, 199809, 1110167, 3330501, 9991503, 165414883, 496244649, 1488733947, 24646817567, 73940452701, 221821358103]

約数ペア:

[(1, 221821358103), (3, 73940452701), (9, 24646817567), (149, 1488733947), (447, 496244649), (1341, 165414883), (22201, 9991503), (66603, 3330501), (199809, 1110167)]