816255

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 834849

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 97, 99, 153, 165, 187, 255, 291, 485, 495, 561, 765, 873, 935, 1067, 1455, 1649, 1683, 2805, 3201, 4365, 4947, 5335, 8245, 8415, 9603, 14841, 16005, 18139, 24735, 48015, 54417, 74205, 90695, 163251, 272085, 816255]

約数ペア:

[(1, 816255), (3, 272085), (5, 163251), (9, 90695), (11, 74205), (15, 54417), (17, 48015), (33, 24735), (45, 18139), (51, 16005), (55, 14841), (85, 9603), (97, 8415), (99, 8245), (153, 5335), (165, 4947), (187, 4365), (255, 3201), (291, 2805), (485, 1683), (495, 1649), (561, 1455), (765, 1067), (873, 935)]