18027225

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1607

約数の個数: 48

約数和(自身を含む): 35087040

約数和(自身を除く): 17059815

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 1571, 2295, 3825, 4713, 7855, 11475, 14139, 23565, 26707, 39275, 42417, 70695, 80121, 117825, 133535, 212085, 240363, 353475, 400605, 667675, 721089, 1060425, 1201815, 2003025, 3605445, 6009075, 18027225]

約数ペア:

[(1, 18027225), (3, 6009075), (5, 3605445), (9, 2003025), (15, 1201815), (17, 1060425), (25, 721089), (27, 667675), (45, 400605), (51, 353475), (75, 240363), (85, 212085), (135, 133535), (153, 117825), (225, 80121), (255, 70695), (425, 42417), (459, 39275), (675, 26707), (765, 23565), (1275, 14139), (1571, 11475), (2295, 7855), (3825, 4713)]