648481905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{5987}}^1$

素因数の和:6110

約数の個数: 48

約数和(自身を含む): 1177001280

約数和(自身を除く): 528519375

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 249, 261, 415, 435, 747, 1245, 1305, 2407, 3735, 5987, 7221, 12035, 17961, 21663, 29935, 36105, 53883, 89805, 108315, 173623, 269415, 496921, 520869, 868115, 1490763, 1562607, 2484605, 2604345, 4472289, 7453815, 7813035, 14410709, 22361445, 43232127, 72053545, 129696381, 216160635, 648481905]

約数ペア:

[(1, 648481905), (3, 216160635), (5, 129696381), (9, 72053545), (15, 43232127), (29, 22361445), (45, 14410709), (83, 7813035), (87, 7453815), (145, 4472289), (249, 2604345), (261, 2484605), (415, 1562607), (435, 1490763), (747, 868115), (1245, 520869), (1305, 496921), (2407, 269415), (3735, 173623), (5987, 108315), (7221, 89805), (12035, 53883), (17961, 36105), (21663, 29935)]