47897721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8461}}^1$

素因数の和:8521

約数の個数: 24

約数和(自身を含む): 75244104

約数和(自身を除く): 27346383

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 5661, 8461, 25383, 76149, 143837, 313057, 431511, 939171, 1294533, 2817513, 5321969, 15965907, 47897721]

約数ペア:

[(1, 47897721), (3, 15965907), (9, 5321969), (17, 2817513), (37, 1294533), (51, 939171), (111, 431511), (153, 313057), (333, 143837), (629, 76149), (1887, 25383), (5661, 8461)]