861987273

素因数分解:

$3^1\times 7^2\times {\mathrm{5863859}}^1$

素因数の和:5863876

約数の個数: 12

約数和(自身を含む): 1336960080

約数和(自身を除く): 474972807

約数列:

[1, 3, 7, 21, 49, 147, 5863859, 17591577, 41047013, 123141039, 287329091, 861987273]

約数ペア:

[(1, 861987273), (3, 287329091), (7, 123141039), (21, 41047013), (49, 17591577), (147, 5863859)]