28000545

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 47077632

約数和(自身を除く): 19077087

約数列:

[1, 3, 5, 15, 23, 69, 115, 277, 293, 345, 831, 879, 1385, 1465, 4155, 4395, 6371, 6739, 19113, 20217, 31855, 33695, 81161, 95565, 101085, 243483, 405805, 1217415, 1866703, 5600109, 9333515, 28000545]

約数ペア:

[(1, 28000545), (3, 9333515), (5, 5600109), (15, 1866703), (23, 1217415), (69, 405805), (115, 243483), (277, 101085), (293, 95565), (345, 81161), (831, 33695), (879, 31855), (1385, 20217), (1465, 19113), (4155, 6739), (4395, 6371)]