211300821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{3221}}^1$

素因数の和:3461

約数の個数: 24

約数和(自身を含む): 315150264

約数和(自身を除く): 103849443

約数列:

[1, 3, 9, 37, 111, 197, 333, 591, 1773, 3221, 7289, 9663, 21867, 28989, 65601, 119177, 357531, 634537, 1072593, 1903611, 5710833, 23477869, 70433607, 211300821]

約数ペア:

[(1, 211300821), (3, 70433607), (9, 23477869), (37, 5710833), (111, 1903611), (197, 1072593), (333, 634537), (591, 357531), (1773, 119177), (3221, 65601), (7289, 28989), (9663, 21867)]