25391475

素因数分解:

$3^4\times 5^2\times {\mathrm{12539}}^1$

素因数の和:12561

約数の個数: 30

約数和(自身を含む): 47037540

約数和(自身を除く): 21646065

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 12539, 37617, 62695, 112851, 188085, 313475, 338553, 564255, 940425, 1015659, 1692765, 2821275, 5078295, 8463825, 25391475]

約数ペア:

[(1, 25391475), (3, 8463825), (5, 5078295), (9, 2821275), (15, 1692765), (25, 1015659), (27, 940425), (45, 564255), (75, 338553), (81, 313475), (135, 188085), (225, 112851), (405, 62695), (675, 37617), (2025, 12539)]