8972721

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1205

約数の個数: 16

約数和(自身を含む): 13340800

約数和(自身を除く): 4368079

約数列:

[1, 3, 9, 27, 439, 757, 1317, 2271, 3951, 6813, 11853, 20439, 332323, 996969, 2990907, 8972721]

約数ペア:

[(1, 8972721), (3, 2990907), (9, 996969), (27, 332323), (439, 20439), (757, 11853), (1317, 6813), (2271, 3951)]