27389375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3404

約数の個数: 20

約数和(自身を含む): 36869448

約数和(自身を除く): 9480073

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3371, 8125, 16855, 43823, 84275, 219115, 421375, 1095575, 2106875, 5477875, 27389375]

約数ペア:

[(1, 27389375), (5, 5477875), (13, 2106875), (25, 1095575), (65, 421375), (125, 219115), (325, 84275), (625, 43823), (1625, 16855), (3371, 8125)]