667087569

素因数分解:

$3^4\times {\mathrm{383}}^1\times {\mathrm{21503}}^1$

素因数の和:21898

約数の個数: 20

約数和(自身を含む): 999161856

約数和(自身を除く): 332074287

約数列:

[1, 3, 9, 27, 81, 383, 1149, 3447, 10341, 21503, 31023, 64509, 193527, 580581, 1741743, 8235649, 24706947, 74120841, 222362523, 667087569]

約数ペア:

[(1, 667087569), (3, 222362523), (9, 74120841), (27, 24706947), (81, 8235649), (383, 1741743), (1149, 580581), (3447, 193527), (10341, 64509), (21503, 31023)]