1721392799

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 2109864960

約数和(自身を除く): 388472161

約数列:

[1, 7, 19, 71, 133, 421, 433, 497, 1349, 2947, 3031, 7999, 8227, 9443, 29891, 30743, 55993, 57589, 182293, 209237, 215201, 567929, 584117, 1276051, 3463567, 3975503, 4088819, 12942803, 24244969, 90599621, 245913257, 1721392799]

約数ペア:

[(1, 1721392799), (7, 245913257), (19, 90599621), (71, 24244969), (133, 12942803), (421, 4088819), (433, 3975503), (497, 3463567), (1349, 1276051), (2947, 584117), (3031, 567929), (7999, 215201), (8227, 209237), (9443, 182293), (29891, 57589), (30743, 55993)]