840807

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 1440000

約数和(自身を除く): 599193

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 149, 171, 209, 297, 447, 513, 627, 1341, 1639, 1881, 2831, 4023, 4917, 5643, 8493, 14751, 25479, 31141, 44253, 76437, 93423, 280269, 840807]

約数ペア:

[(1, 840807), (3, 280269), (9, 93423), (11, 76437), (19, 44253), (27, 31141), (33, 25479), (57, 14751), (99, 8493), (149, 5643), (171, 4917), (209, 4023), (297, 2831), (447, 1881), (513, 1639), (627, 1341)]