400086513

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{8521}}^1$

素因数の和:8614

約数の個数: 32

約数和(自身を含む): 621765120

約数和(自身を除く): 221678607

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 999, 1269, 1739, 5217, 8521, 15651, 25563, 46953, 76689, 230067, 315277, 400487, 945831, 1201461, 2837493, 3604383, 8512479, 10813149, 14818019, 44454057, 133362171, 400086513]

約数ペア:

[(1, 400086513), (3, 133362171), (9, 44454057), (27, 14818019), (37, 10813149), (47, 8512479), (111, 3604383), (141, 2837493), (333, 1201461), (423, 945831), (999, 400487), (1269, 315277), (1739, 230067), (5217, 76689), (8521, 46953), (15651, 25563)]