213855357

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 304883712

約数和(自身を除く): 91028355

約数列:

[1, 3, 23, 67, 69, 167, 201, 277, 501, 831, 1541, 3841, 4623, 6371, 11189, 11523, 18559, 19113, 33567, 46259, 55677, 138777, 257347, 426857, 772041, 1063957, 1280571, 3099353, 3191871, 9298059, 71285119, 213855357]

約数ペア:

[(1, 213855357), (3, 71285119), (23, 9298059), (67, 3191871), (69, 3099353), (167, 1280571), (201, 1063957), (277, 772041), (501, 426857), (831, 257347), (1541, 138777), (3841, 55677), (4623, 46259), (6371, 33567), (11189, 19113), (11523, 18559)]