18327321

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 27790464

約数和(自身を除く): 9463143

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1171, 1739, 3513, 5217, 10539, 15651, 43327, 55037, 129981, 165111, 389943, 495333, 2036369, 6109107, 18327321]

約数ペア:

[(1, 18327321), (3, 6109107), (9, 2036369), (37, 495333), (47, 389943), (111, 165111), (141, 129981), (333, 55037), (423, 43327), (1171, 15651), (1739, 10539), (3513, 5217)]