81761009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 98313600

約数和(自身を除く): 16552591

約数列:

[1, 11, 19, 37, 97, 109, 209, 407, 703, 1067, 1199, 1843, 2071, 3589, 4033, 7733, 10573, 20273, 22781, 39479, 44363, 68191, 76627, 116303, 200887, 391201, 750101, 842897, 2209757, 4303211, 7432819, 81761009]

約数ペア:

[(1, 81761009), (11, 7432819), (19, 4303211), (37, 2209757), (97, 842897), (109, 750101), (209, 391201), (407, 200887), (703, 116303), (1067, 76627), (1199, 68191), (1843, 44363), (2071, 39479), (3589, 22781), (4033, 20273), (7733, 10573)]