220133805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{1087}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 368492544

約数和(自身を除く): 148358739

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 587, 1087, 1761, 2935, 3261, 5435, 8805, 13501, 16305, 25001, 40503, 67505, 75003, 125005, 202515, 375015, 638069, 1914207, 3190345, 9571035, 14675587, 44026761, 73377935, 220133805]

約数ペア:

[(1, 220133805), (3, 73377935), (5, 44026761), (15, 14675587), (23, 9571035), (69, 3190345), (115, 1914207), (345, 638069), (587, 375015), (1087, 202515), (1761, 125005), (2935, 75003), (3261, 67505), (5435, 40503), (8805, 25001), (13501, 16305)]