247408077

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{406253}}^1$

素因数の和:406292

約数の個数: 16

約数和(自身を含む): 390003840

約数和(自身を除く): 142595763

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 406253, 1218759, 2843771, 8531313, 11781337, 35344011, 82469359, 247408077]

約数ペア:

[(1, 247408077), (3, 82469359), (7, 35344011), (21, 11781337), (29, 8531313), (87, 2843771), (203, 1218759), (609, 406253)]