206565219

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{13063}}^1$

素因数の和:13327

約数の個数: 24

約数和(自身を含む): 342381312

約数和(自身を除く): 135816093

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 5271, 13063, 15813, 39189, 91441, 117567, 274323, 822969, 3278813, 9836439, 22951691, 29509317, 68855073, 206565219]

約数ペア:

[(1, 206565219), (3, 68855073), (7, 29509317), (9, 22951691), (21, 9836439), (63, 3278813), (251, 822969), (753, 274323), (1757, 117567), (2259, 91441), (5271, 39189), (13063, 15813)]