988515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 1870128

約数和(自身を除く): 881613

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 1997, 5991, 9985, 17973, 21967, 29955, 65901, 89865, 109835, 197703, 329505, 988515]

約数ペア:

[(1, 988515), (3, 329505), (5, 197703), (9, 109835), (11, 89865), (15, 65901), (33, 29955), (45, 21967), (55, 17973), (99, 9985), (165, 5991), (495, 1997)]