25728405

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 42615936

約数和(自身を除く): 16887531

約数列:

[1, 3, 5, 15, 43, 113, 129, 215, 339, 353, 565, 645, 1059, 1695, 1765, 4859, 5295, 14577, 15179, 24295, 39889, 45537, 72885, 75895, 119667, 199445, 227685, 598335, 1715227, 5145681, 8576135, 25728405]

約数ペア:

[(1, 25728405), (3, 8576135), (5, 5145681), (15, 1715227), (43, 598335), (113, 227685), (129, 199445), (215, 119667), (339, 75895), (353, 72885), (565, 45537), (645, 39889), (1059, 24295), (1695, 15179), (1765, 14577), (4859, 5295)]