9721539

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:736

約数の個数: 20

約数和(自身を含む): 14610024

約数和(自身を除く): 4888485

約数列:

[1, 3, 9, 27, 81, 257, 467, 771, 1401, 2313, 4203, 6939, 12609, 20817, 37827, 120019, 360057, 1080171, 3240513, 9721539]

約数ペア:

[(1, 9721539), (3, 3240513), (9, 1080171), (27, 360057), (81, 120019), (257, 37827), (467, 20817), (771, 12609), (1401, 6939), (2313, 4203)]