157213791

素因数分解:

$3^4\times 7^1\times {\mathrm{277273}}^1$

素因数の和:277292

約数の個数: 20

約数和(自身を含む): 268401232

約数和(自身を除く): 111187441

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 277273, 831819, 1940911, 2495457, 5822733, 7486371, 17468199, 22459113, 52404597, 157213791]

約数ペア:

[(1, 157213791), (3, 52404597), (7, 22459113), (9, 17468199), (21, 7486371), (27, 5822733), (63, 2495457), (81, 1940911), (189, 831819), (567, 277273)]