13443813

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{617}}^1$

素因数の和:898

約数の個数: 20

約数和(自身を含む): 20190060

約数和(自身を除く): 6746247

約数列:

[1, 3, 9, 27, 81, 269, 617, 807, 1851, 2421, 5553, 7263, 16659, 21789, 49977, 165973, 497919, 1493757, 4481271, 13443813]

約数ペア:

[(1, 13443813), (3, 4481271), (9, 1493757), (27, 497919), (81, 165973), (269, 49977), (617, 21789), (807, 16659), (1851, 7263), (2421, 5553)]