131001405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{513731}}^1$

素因数の和:513756

約数の個数: 16

約数和(自身を含む): 221932224

約数和(自身を除く): 90930819

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 513731, 1541193, 2568655, 7705965, 8733427, 26200281, 43667135, 131001405]

約数ペア:

[(1, 131001405), (3, 43667135), (5, 26200281), (15, 8733427), (17, 7705965), (51, 2568655), (85, 1541193), (255, 513731)]