145230003

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{25253}}^1$

素因数の和:25336

約数の個数: 20

約数和(自身を含む): 220012848

約数和(自身を除く): 74782845

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 25253, 75759, 227277, 681831, 1792963, 2045493, 5378889, 16136667, 48410001, 145230003]

約数ペア:

[(1, 145230003), (3, 48410001), (9, 16136667), (27, 5378889), (71, 2045493), (81, 1792963), (213, 681831), (639, 227277), (1917, 75759), (5751, 25253)]