128436225

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 219628800

約数和(自身を除く): 91192575

約数列:

[1, 3, 5, 15, 25, 53, 75, 79, 159, 237, 265, 395, 409, 795, 1185, 1227, 1325, 1975, 2045, 3975, 4187, 5925, 6135, 10225, 12561, 20935, 21677, 30675, 32311, 62805, 65031, 96933, 104675, 108385, 161555, 314025, 325155, 484665, 541925, 807775, 1625775, 1712483, 2423325, 5137449, 8562415, 25687245, 42812075, 128436225]

約数ペア:

[(1, 128436225), (3, 42812075), (5, 25687245), (15, 8562415), (25, 5137449), (53, 2423325), (75, 1712483), (79, 1625775), (159, 807775), (237, 541925), (265, 484665), (395, 325155), (409, 314025), (795, 161555), (1185, 108385), (1227, 104675), (1325, 96933), (1975, 65031), (2045, 62805), (3975, 32311), (4187, 30675), (5925, 21677), (6135, 20935), (10225, 12561)]