321796557

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{136993}}^1$

素因数の和:137034

約数の個数: 20

約数和(自身を含む): 497288220

約数和(自身を除く): 175491663

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 136993, 410979, 1232937, 3698811, 3972797, 11096433, 11918391, 35755173, 107265519, 321796557]

約数ペア:

[(1, 321796557), (3, 107265519), (9, 35755173), (27, 11918391), (29, 11096433), (81, 3972797), (87, 3698811), (261, 1232937), (783, 410979), (2349, 136993)]