15697893939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{1871}}^1$

素因数の和:2388

約数の個数: 64

約数和(自身を含む): 26189549568

約数和(自身を除く): 10491655629

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 421, 511, 949, 1263, 1533, 1871, 2847, 2947, 5473, 5613, 6643, 8841, 13097, 16419, 19929, 24323, 30733, 38311, 39291, 72969, 92199, 114933, 136583, 170261, 215131, 399529, 409749, 510783, 645393, 787691, 956081, 1198587, 1775579, 2363073, 2796703, 2868243, 5326737, 5513837, 8390109, 10239983, 12429053, 16541511, 30719949, 37287159, 57501443, 71679881, 172504329, 215039643, 402510101, 747518759, 1207530303, 2242556277, 5232631313, 15697893939]

約数ペア:

[(1, 15697893939), (3, 5232631313), (7, 2242556277), (13, 1207530303), (21, 747518759), (39, 402510101), (73, 215039643), (91, 172504329), (219, 71679881), (273, 57501443), (421, 37287159), (511, 30719949), (949, 16541511), (1263, 12429053), (1533, 10239983), (1871, 8390109), (2847, 5513837), (2947, 5326737), (5473, 2868243), (5613, 2796703), (6643, 2363073), (8841, 1775579), (13097, 1198587), (16419, 956081), (19929, 787691), (24323, 645393), (30733, 510783), (38311, 409749), (39291, 399529), (72969, 215131), (92199, 170261), (114933, 136583)]