64983065

素因数分解:

$5^1\times 7^4\times {\mathrm{5413}}^1$

素因数の和:5446

約数の個数: 20

約数和(自身を含む): 90987684

約数和(自身を除く): 26004619

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 5413, 12005, 27065, 37891, 189455, 265237, 1326185, 1856659, 9283295, 12996613, 64983065]

約数ペア:

[(1, 64983065), (5, 12996613), (7, 9283295), (35, 1856659), (49, 1326185), (245, 265237), (343, 189455), (1715, 37891), (2401, 27065), (5413, 12005)]