320001273

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{12703}}^1$

素因数の和:13026

約数の個数: 20

約数和(自身を含む): 479601408

約数和(自身を除く): 159600135

約数列:

[1, 3, 9, 27, 81, 311, 933, 2799, 8397, 12703, 25191, 38109, 114327, 342981, 1028943, 3950633, 11851899, 35555697, 106667091, 320001273]

約数ペア:

[(1, 320001273), (3, 106667091), (9, 35555697), (27, 11851899), (81, 3950633), (311, 1028943), (933, 342981), (2799, 114327), (8397, 38109), (12703, 25191)]