650025

素因数分解:

$3^5\times 5^2\times {\mathrm{107}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 1218672

約数和(自身を除く): 568647

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 107, 135, 225, 243, 321, 405, 535, 675, 963, 1215, 1605, 2025, 2675, 2889, 4815, 6075, 8025, 8667, 14445, 24075, 26001, 43335, 72225, 130005, 216675, 650025]

約数ペア:

[(1, 650025), (3, 216675), (5, 130005), (9, 72225), (15, 43335), (25, 26001), (27, 24075), (45, 14445), (75, 8667), (81, 8025), (107, 6075), (135, 4815), (225, 2889), (243, 2675), (321, 2025), (405, 1605), (535, 1215), (675, 963)]