201321219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 304669440

約数和(自身を除く): 103348221

約数列:

[1, 3, 11, 29, 33, 87, 211, 319, 633, 957, 997, 2321, 2991, 6119, 6963, 10967, 18357, 28913, 32901, 67309, 86739, 201927, 210367, 318043, 631101, 954129, 2314037, 6100643, 6942111, 18301929, 67107073, 201321219]

約数ペア:

[(1, 201321219), (3, 67107073), (11, 18301929), (29, 6942111), (33, 6100643), (87, 2314037), (211, 954129), (319, 631101), (633, 318043), (957, 210367), (997, 201927), (2321, 86739), (2991, 67309), (6119, 32901), (6963, 28913), (10967, 18357)]