2125575

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 4047360

約数和(自身を除く): 1921785

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 67, 75, 135, 141, 201, 225, 235, 335, 423, 603, 675, 705, 1005, 1175, 1269, 1675, 1809, 2115, 3015, 3149, 3525, 5025, 6345, 9045, 9447, 10575, 15075, 15745, 28341, 31725, 45225, 47235, 78725, 85023, 141705, 236175, 425115, 708525, 2125575]

約数ペア:

[(1, 2125575), (3, 708525), (5, 425115), (9, 236175), (15, 141705), (25, 85023), (27, 78725), (45, 47235), (47, 45225), (67, 31725), (75, 28341), (135, 15745), (141, 15075), (201, 10575), (225, 9447), (235, 9045), (335, 6345), (423, 5025), (603, 3525), (675, 3149), (705, 3015), (1005, 2115), (1175, 1809), (1269, 1675)]