72172539

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{3467}}^1$

素因数の和:3736

約数の個数: 20

約数和(自身を含む): 108264024

約数和(自身を除く): 36091485

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 3467, 6939, 10401, 20817, 31203, 93609, 280827, 891019, 2673057, 8019171, 24057513, 72172539]

約数ペア:

[(1, 72172539), (3, 24057513), (9, 8019171), (27, 2673057), (81, 891019), (257, 280827), (771, 93609), (2313, 31203), (3467, 20817), (6939, 10401)]