81314478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645353}}^1$

素因数の和:645368

約数の個数: 24

約数和(自身を含む): 201350448

約数和(自身を除く): 120035970

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645353, 1290706, 1936059, 3872118, 4517471, 5808177, 9034942, 11616354, 13552413, 27104826, 40657239, 81314478]

約数ペア:

[(1, 81314478), (2, 40657239), (3, 27104826), (6, 13552413), (7, 11616354), (9, 9034942), (14, 5808177), (18, 4517471), (21, 3872118), (42, 1936059), (63, 1290706), (126, 645353)]