28249155

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 58649184

約数和(自身を除く): 30400029

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 255, 297, 373, 405, 459, 495, 561, 765, 891, 935, 1119, 1377, 1485, 1683, 1865, 2295, 2805, 3357, 4103, 4455, 5049, 5595, 6341, 6885, 8415, 10071, 12309, 15147, 16785, 19023, 20515, 25245, 30213, 31705, 36927, 50355, 57069, 61545, 69751, 75735, 95115, 110781, 151065, 171207, 184635, 209253, 285345, 332343, 348755, 513621, 553905, 627759, 856035, 1046265, 1661715, 1883277, 2568105, 3138795, 5649831, 9416385, 28249155]

約数ペア:

[(1, 28249155), (3, 9416385), (5, 5649831), (9, 3138795), (11, 2568105), (15, 1883277), (17, 1661715), (27, 1046265), (33, 856035), (45, 627759), (51, 553905), (55, 513621), (81, 348755), (85, 332343), (99, 285345), (135, 209253), (153, 184635), (165, 171207), (187, 151065), (255, 110781), (297, 95115), (373, 75735), (405, 69751), (459, 61545), (495, 57069), (561, 50355), (765, 36927), (891, 31705), (935, 30213), (1119, 25245), (1377, 20515), (1485, 19023), (1683, 16785), (1865, 15147), (2295, 12309), (2805, 10071), (3357, 8415), (4103, 6885), (4455, 6341), (5049, 5595)]