7258005

素因数分解:

$3^4\times 5^1\times {\mathrm{17921}}^1$

素因数の和:17938

約数の個数: 20

約数和(自身を含む): 13011372

約数和(自身を除く): 5753367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17921, 53763, 89605, 161289, 268815, 483867, 806445, 1451601, 2419335, 7258005]

約数ペア:

[(1, 7258005), (3, 2419335), (5, 1451601), (9, 806445), (15, 483867), (27, 268815), (45, 161289), (81, 89605), (135, 53763), (405, 17921)]