28003785

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 45519744

約数和(自身を除く): 17515959

約数列:

[1, 3, 5, 15, 83, 249, 271, 415, 813, 1245, 1355, 4065, 6889, 20667, 22493, 34445, 67479, 103335, 112465, 337395, 1866919, 5600757, 9334595, 28003785]

約数ペア:

[(1, 28003785), (3, 9334595), (5, 5600757), (15, 1866919), (83, 337395), (249, 112465), (271, 103335), (415, 67479), (813, 34445), (1245, 22493), (1355, 20667), (4065, 6889)]