1393317

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2156544

約数和(自身を除く): 763227

約数列:

[1, 3, 9, 23, 53, 69, 127, 159, 207, 381, 477, 1143, 1219, 2921, 3657, 6731, 8763, 10971, 20193, 26289, 60579, 154813, 464439, 1393317]

約数ペア:

[(1, 1393317), (3, 464439), (9, 154813), (23, 60579), (53, 26289), (69, 20193), (127, 10971), (159, 8763), (207, 6731), (381, 3657), (477, 2921), (1143, 1219)]