128414811

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 199802368

約数和(自身を除く): 71387557

約数列:

[1, 3, 7, 21, 73, 211, 219, 397, 511, 633, 1191, 1477, 1533, 2779, 4431, 8337, 15403, 28981, 46209, 83767, 86943, 107821, 202867, 251301, 323463, 586369, 608601, 1759107, 6114991, 18344973, 42804937, 128414811]

約数ペア:

[(1, 128414811), (3, 42804937), (7, 18344973), (21, 6114991), (73, 1759107), (211, 608601), (219, 586369), (397, 323463), (511, 251301), (633, 202867), (1191, 107821), (1477, 86943), (1533, 83767), (2779, 46209), (4431, 28981), (8337, 15403)]