51681525

素因数分解:

$3^1\times 5^2\times 7^5\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 102118464

約数和(自身を除く): 50436939

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 49, 75, 105, 123, 147, 175, 205, 245, 287, 343, 525, 615, 735, 861, 1025, 1029, 1225, 1435, 1715, 2009, 2401, 3075, 3675, 4305, 5145, 6027, 7175, 7203, 8575, 10045, 12005, 14063, 16807, 21525, 25725, 30135, 36015, 42189, 50225, 50421, 60025, 70315, 84035, 98441, 150675, 180075, 210945, 252105, 295323, 351575, 420175, 492205, 689087, 1054725, 1260525, 1476615, 2067261, 2461025, 3445435, 7383075, 10336305, 17227175, 51681525]

約数ペア:

[(1, 51681525), (3, 17227175), (5, 10336305), (7, 7383075), (15, 3445435), (21, 2461025), (25, 2067261), (35, 1476615), (41, 1260525), (49, 1054725), (75, 689087), (105, 492205), (123, 420175), (147, 351575), (175, 295323), (205, 252105), (245, 210945), (287, 180075), (343, 150675), (525, 98441), (615, 84035), (735, 70315), (861, 60025), (1025, 50421), (1029, 50225), (1225, 42189), (1435, 36015), (1715, 30135), (2009, 25725), (2401, 21525), (3075, 16807), (3675, 14063), (4305, 12005), (5145, 10045), (6027, 8575), (7175, 7203)]