127575135

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 239016960

約数和(自身を除く): 111441825

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 181, 207, 227, 345, 543, 621, 681, 905, 1035, 1135, 1629, 2043, 2715, 3105, 3405, 4163, 4887, 5221, 6129, 8145, 10215, 12489, 15663, 20815, 24435, 26105, 30645, 37467, 41087, 46989, 62445, 78315, 112401, 123261, 140967, 187335, 205435, 234945, 369783, 562005, 616305, 704835, 945001, 1109349, 1848915, 2835003, 4725005, 5546745, 8505009, 14175015, 25515027, 42525045, 127575135]

約数ペア:

[(1, 127575135), (3, 42525045), (5, 25515027), (9, 14175015), (15, 8505009), (23, 5546745), (27, 4725005), (45, 2835003), (69, 1848915), (115, 1109349), (135, 945001), (181, 704835), (207, 616305), (227, 562005), (345, 369783), (543, 234945), (621, 205435), (681, 187335), (905, 140967), (1035, 123261), (1135, 112401), (1629, 78315), (2043, 62445), (2715, 46989), (3105, 41087), (3405, 37467), (4163, 30645), (4887, 26105), (5221, 24435), (6129, 20815), (8145, 15663), (10215, 12489)]