216456957

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{3719}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 324979200

約数和(自身を除く): 108522243

約数列:

[1, 3, 9, 29, 87, 223, 261, 669, 2007, 3719, 6467, 11157, 19401, 33471, 58203, 107851, 323553, 829337, 970659, 2488011, 7464033, 24050773, 72152319, 216456957]

約数ペア:

[(1, 216456957), (3, 72152319), (9, 24050773), (29, 7464033), (87, 2488011), (223, 970659), (261, 829337), (669, 323553), (2007, 107851), (3719, 58203), (6467, 33471), (11157, 19401)]