331485

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 689472

約数和(自身を除く): 357987

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 49, 55, 77, 105, 123, 147, 165, 205, 231, 245, 287, 385, 451, 539, 615, 735, 861, 1155, 1353, 1435, 1617, 2009, 2255, 2695, 3157, 4305, 6027, 6765, 8085, 9471, 10045, 15785, 22099, 30135, 47355, 66297, 110495, 331485]

約数ペア:

[(1, 331485), (3, 110495), (5, 66297), (7, 47355), (11, 30135), (15, 22099), (21, 15785), (33, 10045), (35, 9471), (41, 8085), (49, 6765), (55, 6027), (77, 4305), (105, 3157), (123, 2695), (147, 2255), (165, 2009), (205, 1617), (231, 1435), (245, 1353), (287, 1155), (385, 861), (451, 735), (539, 615)]