129780225

素因数分解:

$3^6\times 5^2\times {\mathrm{7121}}^1$

素因数の和:7149

約数の個数: 42

約数和(自身を含む): 241314726

約数和(自身を除く): 111534501

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 7121, 18225, 21363, 35605, 64089, 106815, 178025, 192267, 320445, 534075, 576801, 961335, 1602225, 1730403, 2884005, 4806675, 5191209, 8652015, 14420025, 25956045, 43260075, 129780225]

約数ペア:

[(1, 129780225), (3, 43260075), (5, 25956045), (9, 14420025), (15, 8652015), (25, 5191209), (27, 4806675), (45, 2884005), (75, 1730403), (81, 1602225), (135, 961335), (225, 576801), (243, 534075), (405, 320445), (675, 192267), (729, 178025), (1215, 106815), (2025, 64089), (3645, 35605), (6075, 21363), (7121, 18225)]