8921871

素因数分解:

$3^2\times 7^2\times {\mathrm{20231}}^1$

素因数の和:20251

約数の個数: 18

約数和(自身を含む): 14991912

約数和(自身を除く): 6070041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20231, 60693, 141617, 182079, 424851, 991319, 1274553, 2973957, 8921871]

約数ペア:

[(1, 8921871), (3, 2973957), (7, 1274553), (9, 991319), (21, 424851), (49, 182079), (63, 141617), (147, 60693), (441, 20231)]