28351575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 59424768

約数和(自身を除く): 31073193

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 383, 423, 525, 705, 987, 1149, 1175, 1575, 1645, 1915, 2115, 2681, 2961, 3447, 3525, 4935, 5745, 8043, 8225, 9575, 10575, 13405, 14805, 17235, 18001, 24129, 24675, 28725, 40215, 54003, 67025, 74025, 86175, 90005, 120645, 126007, 162009, 201075, 270015, 378021, 450025, 603225, 630035, 810045, 1134063, 1350075, 1890105, 3150175, 4050225, 5670315, 9450525, 28351575]

約数ペア:

[(1, 28351575), (3, 9450525), (5, 5670315), (7, 4050225), (9, 3150175), (15, 1890105), (21, 1350075), (25, 1134063), (35, 810045), (45, 630035), (47, 603225), (63, 450025), (75, 378021), (105, 270015), (141, 201075), (175, 162009), (225, 126007), (235, 120645), (315, 90005), (329, 86175), (383, 74025), (423, 67025), (525, 54003), (705, 40215), (987, 28725), (1149, 24675), (1175, 24129), (1575, 18001), (1645, 17235), (1915, 14805), (2115, 13405), (2681, 10575), (2961, 9575), (3447, 8225), (3525, 8043), (4935, 5745)]