7981425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1902

約数の個数: 36

約数和(自身を含む): 15056080

約数和(自身を除く): 7074655

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 1867, 4275, 5601, 9335, 16803, 28005, 35473, 46675, 84015, 106419, 140025, 177365, 319257, 420075, 532095, 886825, 1596285, 2660475, 7981425]

約数ペア:

[(1, 7981425), (3, 2660475), (5, 1596285), (9, 886825), (15, 532095), (19, 420075), (25, 319257), (45, 177365), (57, 140025), (75, 106419), (95, 84015), (171, 46675), (225, 35473), (285, 28005), (475, 16803), (855, 9335), (1425, 5601), (1867, 4275)]