1288143

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 32

約数和(自身を含む): 2099200

約数和(自身を除く): 811057

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 243, 279, 513, 589, 729, 837, 1539, 1767, 2187, 2511, 4617, 5301, 7533, 13851, 15903, 22599, 41553, 47709, 67797, 143127, 429381, 1288143]

約数ペア:

[(1, 1288143), (3, 429381), (9, 143127), (19, 67797), (27, 47709), (31, 41553), (57, 22599), (81, 15903), (93, 13851), (171, 7533), (243, 5301), (279, 4617), (513, 2511), (589, 2187), (729, 1767), (837, 1539)]