47120721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{18457}}^1$

素因数の和:18520

約数の個数: 16

約数和(自身を含む): 67334784

約数和(自身を除く): 20214063

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 18457, 55371, 424511, 682909, 1273533, 2048727, 15706907, 47120721]

約数ペア:

[(1, 47120721), (3, 15706907), (23, 2048727), (37, 1273533), (69, 682909), (111, 424511), (851, 55371), (2553, 18457)]