12491235

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 21818160

約数和(自身を除く): 9326925

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 1997, 2085, 5991, 6255, 9985, 17973, 29955, 89865, 277583, 832749, 1387915, 2498247, 4163745, 12491235]

約数ペア:

[(1, 12491235), (3, 4163745), (5, 2498247), (9, 1387915), (15, 832749), (45, 277583), (139, 89865), (417, 29955), (695, 17973), (1251, 9985), (1997, 6255), (2085, 5991)]