2887131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 4178720

約数和(自身を除く): 1291589

約数列:

[1, 3, 13, 39, 181, 409, 543, 1227, 2353, 5317, 7059, 15951, 74029, 222087, 962377, 2887131]

約数ペア:

[(1, 2887131), (3, 962377), (13, 222087), (39, 74029), (181, 15951), (409, 7059), (543, 5317), (1227, 2353)]