1998225

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 3656016

約数和(自身を除く): 1657791

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 107, 225, 249, 321, 415, 535, 747, 963, 1245, 1605, 2075, 2675, 3735, 4815, 6225, 8025, 8881, 18675, 24075, 26643, 44405, 79929, 133215, 222025, 399645, 666075, 1998225]

約数ペア:

[(1, 1998225), (3, 666075), (5, 399645), (9, 222025), (15, 133215), (25, 79929), (45, 44405), (75, 26643), (83, 24075), (107, 18675), (225, 8881), (249, 8025), (321, 6225), (415, 4815), (535, 3735), (747, 2675), (963, 2075), (1245, 1605)]