728025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 1276704

約数和(自身を除く): 548679

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 571, 1275, 1713, 2855, 8565, 9707, 14275, 29121, 42825, 48535, 145605, 242675, 728025]

約数ペア:

[(1, 728025), (3, 242675), (5, 145605), (15, 48535), (17, 42825), (25, 29121), (51, 14275), (75, 9707), (85, 8565), (255, 2855), (425, 1713), (571, 1275)]