26887203

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6011}}^1$

素因数の和:6095

約数の個数: 24

約数和(自身を含む): 45017856

約数和(自身を除く): 18130653

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6011, 18033, 42077, 54099, 126231, 378693, 426781, 1280343, 2987467, 3841029, 8962401, 26887203]

約数ペア:

[(1, 26887203), (3, 8962401), (7, 3841029), (9, 2987467), (21, 1280343), (63, 426781), (71, 378693), (213, 126231), (497, 54099), (639, 42077), (1491, 18033), (4473, 6011)]