871221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 1270080

約数和(自身を除く): 398859

約数列:

[1, 3, 13, 39, 89, 251, 267, 753, 1157, 3263, 3471, 9789, 22339, 67017, 290407, 871221]

約数ペア:

[(1, 871221), (3, 290407), (13, 67017), (39, 22339), (89, 9789), (251, 3471), (267, 3263), (753, 1157)]