2521323

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 4299776

約数和(自身を除く): 1778453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1291, 1953, 3873, 9037, 11619, 27111, 40021, 81333, 120063, 280147, 360189, 840441, 2521323]

約数ペア:

[(1, 2521323), (3, 840441), (7, 360189), (9, 280147), (21, 120063), (31, 81333), (63, 40021), (93, 27111), (217, 11619), (279, 9037), (651, 3873), (1291, 1953)]