211099635

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67987}}^1$

素因数の和:68024

約数の個数: 32

約数和(自身を含む): 391610880

約数和(自身を除く): 180511245

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 67987, 203961, 339935, 611883, 1019805, 1563701, 1835649, 3059415, 4691103, 7818505, 9178245, 14073309, 23455515, 42219927, 70366545, 211099635]

約数ペア:

[(1, 211099635), (3, 70366545), (5, 42219927), (9, 23455515), (15, 14073309), (23, 9178245), (27, 7818505), (45, 4691103), (69, 3059415), (115, 1835649), (135, 1563701), (207, 1019805), (345, 611883), (621, 339935), (1035, 203961), (3105, 67987)]