31374225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 29559375

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 171, 179, 205, 225, 285, 369, 475, 537, 615, 779, 855, 895, 1025, 1425, 1611, 1845, 2337, 2685, 3075, 3401, 3895, 4275, 4475, 7011, 7339, 8055, 9225, 10203, 11685, 13425, 17005, 19475, 22017, 30609, 35055, 36695, 40275, 51015, 58425, 66051, 85025, 110085, 139441, 153045, 175275, 183475, 255075, 330255, 418323, 550425, 697205, 765225, 1254969, 1651275, 2091615, 3486025, 6274845, 10458075, 31374225]

約数ペア:

[(1, 31374225), (3, 10458075), (5, 6274845), (9, 3486025), (15, 2091615), (19, 1651275), (25, 1254969), (41, 765225), (45, 697205), (57, 550425), (75, 418323), (95, 330255), (123, 255075), (171, 183475), (179, 175275), (205, 153045), (225, 139441), (285, 110085), (369, 85025), (475, 66051), (537, 58425), (615, 51015), (779, 40275), (855, 36695), (895, 35055), (1025, 30609), (1425, 22017), (1611, 19475), (1845, 17005), (2337, 13425), (2685, 11685), (3075, 10203), (3401, 9225), (3895, 8055), (4275, 7339), (4475, 7011)]