9720381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 15321600

約数和(自身を除く): 5601219

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 419, 627, 703, 1221, 1257, 2109, 4609, 7733, 7961, 13827, 15503, 23199, 23883, 46509, 87571, 170533, 262713, 294557, 511599, 883671, 3240127, 9720381]

約数ペア:

[(1, 9720381), (3, 3240127), (11, 883671), (19, 511599), (33, 294557), (37, 262713), (57, 170533), (111, 87571), (209, 46509), (407, 23883), (419, 23199), (627, 15503), (703, 13827), (1221, 7961), (1257, 7733), (2109, 4609)]