15721805409

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1\times {\mathrm{2963}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 22023705600

約数和(自身を除く): 6301900191

約数列:

[1, 3, 29, 71, 87, 213, 859, 2059, 2577, 2963, 6177, 8889, 24911, 60989, 74733, 85927, 182967, 210373, 257781, 631119, 1768681, 2545217, 5306043, 6100817, 7635651, 18302451, 73811293, 180710407, 221433879, 542131221, 5240601803, 15721805409]

約数ペア:

[(1, 15721805409), (3, 5240601803), (29, 542131221), (71, 221433879), (87, 180710407), (213, 73811293), (859, 18302451), (2059, 7635651), (2577, 6100817), (2963, 5306043), (6177, 2545217), (8889, 1768681), (24911, 631119), (60989, 257781), (74733, 210373), (85927, 182967)]