2049795

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 4009824

約数和(自身を除く): 1960029

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 101, 123, 165, 205, 303, 369, 451, 495, 505, 615, 909, 1111, 1353, 1515, 1845, 2255, 3333, 4059, 4141, 4545, 5555, 6765, 9999, 12423, 16665, 20295, 20705, 37269, 45551, 49995, 62115, 136653, 186345, 227755, 409959, 683265, 2049795]

約数ペア:

[(1, 2049795), (3, 683265), (5, 409959), (9, 227755), (11, 186345), (15, 136653), (33, 62115), (41, 49995), (45, 45551), (55, 37269), (99, 20705), (101, 20295), (123, 16665), (165, 12423), (205, 9999), (303, 6765), (369, 5555), (451, 4545), (495, 4141), (505, 4059), (615, 3333), (909, 2255), (1111, 1845), (1353, 1515)]