9090225

素因数分解:

$3^4\times 5^2\times {\mathrm{67}}^2$

素因数の和:156

約数の個数: 45

約数和(自身を含む): 17093307

約数和(自身を除く): 8003082

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 135, 201, 225, 335, 405, 603, 675, 1005, 1675, 1809, 2025, 3015, 4489, 5025, 5427, 9045, 13467, 15075, 22445, 27135, 40401, 45225, 67335, 112225, 121203, 135675, 202005, 336675, 363609, 606015, 1010025, 1818045, 3030075, 9090225]

約数ペア:

[(1, 9090225), (3, 3030075), (5, 1818045), (9, 1010025), (15, 606015), (25, 363609), (27, 336675), (45, 202005), (67, 135675), (75, 121203), (81, 112225), (135, 67335), (201, 45225), (225, 40401), (335, 27135), (405, 22445), (603, 15075), (675, 13467), (1005, 9045), (1675, 5427), (1809, 5025), (2025, 4489)]