18675225

素因数分解:

$3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 34868800

約数和(自身を除く): 16193575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 135, 219, 225, 365, 379, 657, 675, 1095, 1137, 1825, 1895, 1971, 3285, 3411, 5475, 5685, 9475, 9855, 10233, 16425, 17055, 27667, 28425, 49275, 51165, 83001, 85275, 138335, 249003, 255825, 415005, 691675, 747009, 1245015, 2075025, 3735045, 6225075, 18675225]

約数ペア:

[(1, 18675225), (3, 6225075), (5, 3735045), (9, 2075025), (15, 1245015), (25, 747009), (27, 691675), (45, 415005), (73, 255825), (75, 249003), (135, 138335), (219, 85275), (225, 83001), (365, 51165), (379, 49275), (657, 28425), (675, 27667), (1095, 17055), (1137, 16425), (1825, 10233), (1895, 9855), (1971, 9475), (3285, 5685), (3411, 5475)]