415989

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 32

約数和(自身を含む): 737280

約数和(自身を除く): 321291

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 71, 93, 189, 213, 217, 279, 497, 639, 651, 837, 1491, 1917, 1953, 2201, 4473, 5859, 6603, 13419, 15407, 19809, 46221, 59427, 138663, 415989]

約数ペア:

[(1, 415989), (3, 138663), (7, 59427), (9, 46221), (21, 19809), (27, 15407), (31, 13419), (63, 6603), (71, 5859), (93, 4473), (189, 2201), (213, 1953), (217, 1917), (279, 1491), (497, 837), (639, 651)]