28068525

素因数分解:

$3^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 60

約数和(自身を含む): 52934112

約数和(自身を除く): 24865587

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 83, 135, 167, 225, 249, 405, 415, 501, 675, 747, 835, 1245, 1503, 2025, 2075, 2241, 2505, 3735, 4175, 4509, 6225, 6723, 7515, 11205, 12525, 13527, 13861, 18675, 22545, 33615, 37575, 41583, 56025, 67635, 69305, 112725, 124749, 168075, 207915, 338175, 346525, 374247, 623745, 1039575, 1122741, 1871235, 3118725, 5613705, 9356175, 28068525]

約数ペア:

[(1, 28068525), (3, 9356175), (5, 5613705), (9, 3118725), (15, 1871235), (25, 1122741), (27, 1039575), (45, 623745), (75, 374247), (81, 346525), (83, 338175), (135, 207915), (167, 168075), (225, 124749), (249, 112725), (405, 69305), (415, 67635), (501, 56025), (675, 41583), (747, 37575), (835, 33615), (1245, 22545), (1503, 18675), (2025, 13861), (2075, 13527), (2241, 12525), (2505, 11205), (3735, 7515), (4175, 6723), (4509, 6225)]