1998052155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{12979}}^1$

素因数の和:13312

約数の個数: 48

約数和(自身を含む): 3790575360

約数和(自身を除く): 1792523205

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 311, 495, 933, 1555, 2799, 3421, 4665, 10263, 12979, 13995, 17105, 30789, 38937, 51315, 64895, 116811, 142769, 153945, 194685, 428307, 584055, 713845, 1284921, 2141535, 4036469, 6424605, 12109407, 20182345, 36328221, 44401159, 60547035, 133203477, 181641105, 222005795, 399610431, 666017385, 1998052155]

約数ペア:

[(1, 1998052155), (3, 666017385), (5, 399610431), (9, 222005795), (11, 181641105), (15, 133203477), (33, 60547035), (45, 44401159), (55, 36328221), (99, 20182345), (165, 12109407), (311, 6424605), (495, 4036469), (933, 2141535), (1555, 1284921), (2799, 713845), (3421, 584055), (4665, 428307), (10263, 194685), (12979, 153945), (13995, 142769), (17105, 116811), (30789, 64895), (38937, 51315)]