320426361

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{19681}}^1$

素因数の和:19763

約数の個数: 24

約数和(自身を含む): 487168864

約数和(自身を除く): 166742503

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 5427, 16281, 19681, 59043, 177129, 531387, 1318627, 1594161, 3955881, 4782483, 11867643, 35602929, 106808787, 320426361]

約数ペア:

[(1, 320426361), (3, 106808787), (9, 35602929), (27, 11867643), (67, 4782483), (81, 3955881), (201, 1594161), (243, 1318627), (603, 531387), (1809, 177129), (5427, 59043), (16281, 19681)]