28275675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 50389632

約数和(自身を除く): 22113957

約数列:

[1, 3, 5, 15, 17, 25, 51, 67, 75, 85, 201, 255, 331, 335, 425, 993, 1005, 1139, 1275, 1655, 1675, 3417, 4965, 5025, 5627, 5695, 8275, 16881, 17085, 22177, 24825, 28135, 28475, 66531, 84405, 85425, 110885, 140675, 332655, 377009, 422025, 554425, 1131027, 1663275, 1885045, 5655135, 9425225, 28275675]

約数ペア:

[(1, 28275675), (3, 9425225), (5, 5655135), (15, 1885045), (17, 1663275), (25, 1131027), (51, 554425), (67, 422025), (75, 377009), (85, 332655), (201, 140675), (255, 110885), (331, 85425), (335, 84405), (425, 66531), (993, 28475), (1005, 28135), (1139, 24825), (1275, 22177), (1655, 17085), (1675, 16881), (3417, 8275), (4965, 5695), (5025, 5627)]