16206981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 10058619

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 269, 399, 453, 807, 1057, 1883, 2869, 3171, 5111, 5649, 8607, 15333, 20083, 35777, 40619, 60249, 107331, 121857, 284333, 771761, 852999, 2315283, 5402327, 16206981]

約数ペア:

[(1, 16206981), (3, 5402327), (7, 2315283), (19, 852999), (21, 771761), (57, 284333), (133, 121857), (151, 107331), (269, 60249), (399, 40619), (453, 35777), (807, 20083), (1057, 15333), (1883, 8607), (2869, 5649), (3171, 5111)]