2548654065

素因数分解:

$3^4\times 5^1\times {\mathrm{6292973}}^1$

素因数の和:6292990

約数の個数: 20

約数和(自身を含む): 4568699124

約数和(自身を除く): 2020045059

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6292973, 18878919, 31464865, 56636757, 94394595, 169910271, 283183785, 509730813, 849551355, 2548654065]

約数ペア:

[(1, 2548654065), (3, 849551355), (5, 509730813), (9, 283183785), (15, 169910271), (27, 94394595), (45, 56636757), (81, 31464865), (135, 18878919), (405, 6292973)]