1900973367

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{119131}}^1$

素因数の和:119340

約数の個数: 20

約数和(自身を含む): 2854164456

約数和(自身を除く): 953191089

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 15957, 119131, 357393, 1072179, 3216537, 9649611, 23468807, 70406421, 211219263, 633657789, 1900973367]

約数ペア:

[(1, 1900973367), (3, 633657789), (9, 211219263), (27, 70406421), (81, 23468807), (197, 9649611), (591, 3216537), (1773, 1072179), (5319, 357393), (15957, 119131)]