28647135

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 27754785

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 101, 135, 165, 191, 297, 303, 495, 505, 573, 909, 955, 1111, 1485, 1515, 1719, 2101, 2727, 2865, 3333, 4545, 5157, 5555, 6303, 8595, 9999, 10505, 13635, 16665, 18909, 19291, 25785, 29997, 31515, 49995, 56727, 57873, 94545, 96455, 149985, 173619, 212201, 283635, 289365, 520857, 636603, 868095, 1061005, 1909809, 2604285, 3183015, 5729427, 9549045, 28647135]

約数ペア:

[(1, 28647135), (3, 9549045), (5, 5729427), (9, 3183015), (11, 2604285), (15, 1909809), (27, 1061005), (33, 868095), (45, 636603), (55, 520857), (99, 289365), (101, 283635), (135, 212201), (165, 173619), (191, 149985), (297, 96455), (303, 94545), (495, 57873), (505, 56727), (573, 49995), (909, 31515), (955, 29997), (1111, 25785), (1485, 19291), (1515, 18909), (1719, 16665), (2101, 13635), (2727, 10505), (2865, 9999), (3333, 8595), (4545, 6303), (5157, 5555)]