71784225

素因数分解:

$3^4\times 5^2\times {\mathrm{35449}}^1$

素因数の和:35471

約数の個数: 30

約数和(自身を含む): 132972950

約数和(自身を除く): 61188725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 35449, 106347, 177245, 319041, 531735, 886225, 957123, 1595205, 2658675, 2871369, 4785615, 7976025, 14356845, 23928075, 71784225]

約数ペア:

[(1, 71784225), (3, 23928075), (5, 14356845), (9, 7976025), (15, 4785615), (25, 2871369), (27, 2658675), (45, 1595205), (75, 957123), (81, 886225), (135, 531735), (225, 319041), (405, 177245), (675, 106347), (2025, 35449)]