27963915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26779125

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 107, 131, 133, 285, 321, 393, 399, 535, 655, 665, 749, 917, 1605, 1965, 1995, 2033, 2247, 2489, 2751, 3745, 4585, 6099, 7467, 10165, 11235, 12445, 13755, 14017, 14231, 17423, 30495, 37335, 42051, 42693, 52269, 70085, 71155, 87115, 98119, 210255, 213465, 261345, 266323, 294357, 490595, 798969, 1331615, 1471785, 1864261, 3994845, 5592783, 9321305, 27963915]

約数ペア:

[(1, 27963915), (3, 9321305), (5, 5592783), (7, 3994845), (15, 1864261), (19, 1471785), (21, 1331615), (35, 798969), (57, 490595), (95, 294357), (105, 266323), (107, 261345), (131, 213465), (133, 210255), (285, 98119), (321, 87115), (393, 71155), (399, 70085), (535, 52269), (655, 42693), (665, 42051), (749, 37335), (917, 30495), (1605, 17423), (1965, 14231), (1995, 14017), (2033, 13755), (2247, 12445), (2489, 11235), (2751, 10165), (3745, 7467), (4585, 6099)]