28729216509

素因数分解:

$3^1\times 7^2\times {\mathrm{4001}}^1\times {\mathrm{48847}}^1$

素因数の和:52865

約数の個数: 24

約数和(自身を含む): 44571650688

約数和(自身を除く): 15842434179

約数列:

[1, 3, 7, 21, 49, 147, 4001, 12003, 28007, 48847, 84021, 146541, 196049, 341929, 588147, 1025787, 2393503, 7180509, 195436847, 586310541, 1368057929, 4104173787, 9576405503, 28729216509]

約数ペア:

[(1, 28729216509), (3, 9576405503), (7, 4104173787), (21, 1368057929), (49, 586310541), (147, 195436847), (4001, 7180509), (12003, 2393503), (28007, 1025787), (48847, 588147), (84021, 341929), (146541, 196049)]