340254513

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{25771}}^1$

素因数の和:25946

約数の個数: 20

約数和(自身を含む): 511419568

約数和(自身を除く): 171165055

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 25771, 77313, 231939, 695817, 2087451, 4200673, 12602019, 37806057, 113418171, 340254513]

約数ペア:

[(1, 340254513), (3, 113418171), (9, 37806057), (27, 12602019), (81, 4200673), (163, 2087451), (489, 695817), (1467, 231939), (4401, 77313), (13203, 25771)]