16989669

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{601}}^1$

素因数の和:962

約数の個数: 20

約数和(自身を含む): 25494700

約数和(自身を除く): 8505031

約数列:

[1, 3, 9, 27, 81, 349, 601, 1047, 1803, 3141, 5409, 9423, 16227, 28269, 48681, 209749, 629247, 1887741, 5663223, 16989669]

約数ペア:

[(1, 16989669), (3, 5663223), (9, 1887741), (27, 629247), (81, 209749), (349, 48681), (601, 28269), (1047, 16227), (1803, 9423), (3141, 5409)]