25566921

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{719}}^1$

素因数の和:1170

約数の個数: 20

約数和(自身を含む): 38332800

約数和(自身を除く): 12765879

約数列:

[1, 3, 9, 27, 81, 439, 719, 1317, 2157, 3951, 6471, 11853, 19413, 35559, 58239, 315641, 946923, 2840769, 8522307, 25566921]

約数ペア:

[(1, 25566921), (3, 8522307), (9, 2840769), (27, 946923), (81, 315641), (439, 58239), (719, 35559), (1317, 19413), (2157, 11853), (3951, 6471)]