219033819

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{443}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 320207472

約数和(自身を除く): 101173653

約数列:

[1, 3, 9, 137, 401, 411, 443, 1203, 1233, 1329, 3609, 3987, 54937, 60691, 164811, 177643, 182073, 494433, 532929, 546219, 1598787, 24337091, 73011273, 219033819]

約数ペア:

[(1, 219033819), (3, 73011273), (9, 24337091), (137, 1598787), (401, 546219), (411, 532929), (443, 494433), (1203, 182073), (1233, 177643), (1329, 164811), (3609, 60691), (3987, 54937)]