808623

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 20

約数和(自身を含む): 1234200

約数和(自身を除く): 425577

約数列:

[1, 3, 9, 27, 67, 81, 149, 201, 447, 603, 1341, 1809, 4023, 5427, 9983, 12069, 29949, 89847, 269541, 808623]

約数ペア:

[(1, 808623), (3, 269541), (9, 89847), (27, 29949), (67, 12069), (81, 9983), (149, 5427), (201, 4023), (447, 1809), (603, 1341)]