215821969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{33311}}^1$

素因数の和:33372

約数の個数: 16

約数和(自身を含む): 255836160

約数和(自身を除く): 40014191

約数列:

[1, 11, 19, 31, 209, 341, 589, 6479, 33311, 366421, 632909, 1032641, 6961999, 11359051, 19620179, 215821969]

約数ペア:

[(1, 215821969), (11, 19620179), (19, 11359051), (31, 6961999), (209, 1032641), (341, 632909), (589, 366421), (6479, 33311)]