211056255

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109073}}^1$

素因数の和:109127

約数の個数: 24

約数和(自身を含む): 374341968

約数和(自身を除く): 163285713

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 109073, 327219, 545365, 981657, 1636095, 4690139, 4908285, 14070417, 23450695, 42211251, 70352085, 211056255]

約数ペア:

[(1, 211056255), (3, 70352085), (5, 42211251), (9, 23450695), (15, 14070417), (43, 4908285), (45, 4690139), (129, 1636095), (215, 981657), (387, 545365), (645, 327219), (1935, 109073)]