25568055

素因数分解:

$3^4\times 5^1\times {\mathrm{63131}}^1$

素因数の和:63148

約数の個数: 20

約数和(自身を含む): 45833832

約数和(自身を除く): 20265777

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63131, 189393, 315655, 568179, 946965, 1704537, 2840895, 5113611, 8522685, 25568055]

約数ペア:

[(1, 25568055), (3, 8522685), (5, 5113611), (9, 2840895), (15, 1704537), (27, 946965), (45, 568179), (81, 315655), (135, 189393), (405, 63131)]