211714971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 310883328

約数和(自身を除く): 99168357

約数列:

[1, 3, 13, 39, 71, 157, 213, 471, 487, 923, 1461, 2041, 2769, 6123, 6331, 11147, 18993, 33441, 34577, 76459, 103731, 144911, 229377, 434733, 449501, 993967, 1348503, 2981901, 5428589, 16285767, 70571657, 211714971]

約数ペア:

[(1, 211714971), (3, 70571657), (13, 16285767), (39, 5428589), (71, 2981901), (157, 1348503), (213, 993967), (471, 449501), (487, 434733), (923, 229377), (1461, 144911), (2041, 103731), (2769, 76459), (6123, 34577), (6331, 33441), (11147, 18993)]