16965645

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 27955200

約数和(自身を除く): 10989555

約数列:

[1, 3, 5, 15, 79, 103, 139, 237, 309, 395, 417, 515, 695, 1185, 1545, 2085, 8137, 10981, 14317, 24411, 32943, 40685, 42951, 54905, 71585, 122055, 164715, 214755, 1131043, 3393129, 5655215, 16965645]

約数ペア:

[(1, 16965645), (3, 5655215), (5, 3393129), (15, 1131043), (79, 214755), (103, 164715), (139, 122055), (237, 71585), (309, 54905), (395, 42951), (417, 40685), (515, 32943), (695, 24411), (1185, 14317), (1545, 10981), (2085, 8137)]