1009968345

素因数分解:

$3^4\times 5^1\times {\mathrm{2493749}}^1$

素因数の和:2493766

約数の個数: 20

約数和(自身を含む): 1810462500

約数和(自身を除く): 800494155

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2493749, 7481247, 12468745, 22443741, 37406235, 67331223, 112218705, 201993669, 336656115, 1009968345]

約数ペア:

[(1, 1009968345), (3, 336656115), (5, 201993669), (9, 112218705), (15, 67331223), (27, 37406235), (45, 22443741), (81, 12468745), (135, 7481247), (405, 2493749)]