513387

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 879840

約数和(自身を除く): 366453

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 281, 609, 843, 1827, 1967, 2529, 5901, 8149, 17703, 24447, 57043, 73341, 171129, 513387]

約数ペア:

[(1, 513387), (3, 171129), (7, 73341), (9, 57043), (21, 24447), (29, 17703), (63, 8149), (87, 5901), (203, 2529), (261, 1967), (281, 1827), (609, 843)]