40155993

素因数分解:

$3^5\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 60479328

約数和(自身を除く): 20323335

約数列:

[1, 3, 9, 27, 81, 243, 257, 643, 771, 1929, 2313, 5787, 6939, 17361, 20817, 52083, 62451, 156249, 165251, 495753, 1487259, 4461777, 13385331, 40155993]

約数ペア:

[(1, 40155993), (3, 13385331), (9, 4461777), (27, 1487259), (81, 495753), (243, 165251), (257, 156249), (643, 62451), (771, 52083), (1929, 20817), (2313, 17361), (5787, 6939)]