27987105

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 46247040

約数和(自身を除く): 18259935

約数列:

[1, 3, 5, 15, 61, 73, 183, 219, 305, 365, 419, 915, 1095, 1257, 2095, 4453, 6285, 13359, 22265, 25559, 30587, 66795, 76677, 91761, 127795, 152935, 383385, 458805, 1865807, 5597421, 9329035, 27987105]

約数ペア:

[(1, 27987105), (3, 9329035), (5, 5597421), (15, 1865807), (61, 458805), (73, 383385), (183, 152935), (219, 127795), (305, 91761), (365, 76677), (419, 66795), (915, 30587), (1095, 25559), (1257, 22265), (2095, 13359), (4453, 6285)]