18052905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 31844736

約数和(自身を除く): 13791831

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2153, 2795, 6459, 8385, 10765, 27989, 32295, 83967, 92579, 139945, 277737, 419835, 462895, 1203527, 1388685, 3610581, 6017635, 18052905]

約数ペア:

[(1, 18052905), (3, 6017635), (5, 3610581), (13, 1388685), (15, 1203527), (39, 462895), (43, 419835), (65, 277737), (129, 139945), (195, 92579), (215, 83967), (559, 32295), (645, 27989), (1677, 10765), (2153, 8385), (2795, 6459)]