161805615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29881}}^1$

素因数の和:29927

約数の個数: 24

約数和(自身を含む): 273241008

約数和(自身を除く): 111435393

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 29881, 89643, 149405, 448215, 567739, 1703217, 2838695, 8516085, 10787041, 32361123, 53935205, 161805615]

約数ペア:

[(1, 161805615), (3, 53935205), (5, 32361123), (15, 10787041), (19, 8516085), (57, 2838695), (95, 1703217), (285, 567739), (361, 448215), (1083, 149405), (1805, 89643), (5415, 29881)]