2640825

素因数分解:

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

素因数の和:135

約数の個数: 54

約数和(自身を含む): 5252702

約数和(自身を除く): 2611877

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 97, 99, 121, 165, 225, 275, 291, 363, 485, 495, 605, 825, 873, 1067, 1089, 1455, 1815, 2425, 2475, 3025, 3201, 4365, 5335, 5445, 7275, 9075, 9603, 11737, 16005, 21825, 26675, 27225, 35211, 48015, 58685, 80025, 105633, 176055, 240075, 293425, 528165, 880275, 2640825]

約数ペア:

[(1, 2640825), (3, 880275), (5, 528165), (9, 293425), (11, 240075), (15, 176055), (25, 105633), (33, 80025), (45, 58685), (55, 48015), (75, 35211), (97, 27225), (99, 26675), (121, 21825), (165, 16005), (225, 11737), (275, 9603), (291, 9075), (363, 7275), (485, 5445), (495, 5335), (605, 4365), (825, 3201), (873, 3025), (1067, 2475), (1089, 2425), (1455, 1815)]