408034425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{320027}}^1$

素因数の和:320057

約数の個数: 24

約数和(自身を含む): 714302496

約数和(自身を除く): 306268071

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 320027, 960081, 1600135, 4800405, 5440459, 8000675, 16321377, 24002025, 27202295, 81606885, 136011475, 408034425]

約数ペア:

[(1, 408034425), (3, 136011475), (5, 81606885), (15, 27202295), (17, 24002025), (25, 16321377), (51, 8000675), (75, 5440459), (85, 4800405), (255, 1600135), (425, 960081), (1275, 320027)]