81276687

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{911}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 122923008

約数和(自身を除く): 41646321

約数列:

[1, 3, 9, 23, 69, 207, 431, 911, 1293, 2733, 3879, 8199, 9913, 20953, 29739, 62859, 89217, 188577, 392641, 1177923, 3533769, 9030743, 27092229, 81276687]

約数ペア:

[(1, 81276687), (3, 27092229), (9, 9030743), (23, 3533769), (69, 1177923), (207, 392641), (431, 188577), (911, 89217), (1293, 62859), (2733, 29739), (3879, 20953), (8199, 9913)]