72857475

素因数分解:

$3^5\times 5^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 138116160

約数和(自身を除く): 65258685

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 135, 179, 201, 225, 243, 335, 405, 537, 603, 675, 895, 1005, 1215, 1611, 1675, 1809, 2025, 2685, 3015, 4475, 4833, 5025, 5427, 6075, 8055, 9045, 11993, 13425, 14499, 15075, 16281, 24165, 27135, 35979, 40275, 43497, 45225, 59965, 72495, 81405, 107937, 120825, 135675, 179895, 217485, 299825, 323811, 362475, 407025, 539685, 899475, 971433, 1087425, 1619055, 2698425, 2914299, 4857165, 8095275, 14571495, 24285825, 72857475]

約数ペア:

[(1, 72857475), (3, 24285825), (5, 14571495), (9, 8095275), (15, 4857165), (25, 2914299), (27, 2698425), (45, 1619055), (67, 1087425), (75, 971433), (81, 899475), (135, 539685), (179, 407025), (201, 362475), (225, 323811), (243, 299825), (335, 217485), (405, 179895), (537, 135675), (603, 120825), (675, 107937), (895, 81405), (1005, 72495), (1215, 59965), (1611, 45225), (1675, 43497), (1809, 40275), (2025, 35979), (2685, 27135), (3015, 24165), (4475, 16281), (4833, 15075), (5025, 14499), (5427, 13425), (6075, 11993), (8055, 9045)]