231945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^2$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 433344

約数和(自身を除く): 201399

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 2209, 4935, 6627, 11045, 15463, 33135, 46389, 77315, 231945]

約数ペア:

[(1, 231945), (3, 77315), (5, 46389), (7, 33135), (15, 15463), (21, 11045), (35, 6627), (47, 4935), (105, 2209), (141, 1645), (235, 987), (329, 705)]