81392145

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 132787200

約数和(自身を除く): 51395055

約数列:

[1, 3, 5, 15, 103, 139, 309, 379, 417, 515, 695, 1137, 1545, 1895, 2085, 5685, 14317, 39037, 42951, 52681, 71585, 117111, 158043, 195185, 214755, 263405, 585555, 790215, 5426143, 16278429, 27130715, 81392145]

約数ペア:

[(1, 81392145), (3, 27130715), (5, 16278429), (15, 5426143), (103, 790215), (139, 585555), (309, 263405), (379, 214755), (417, 195185), (515, 158043), (695, 117111), (1137, 71585), (1545, 52681), (1895, 42951), (2085, 39037), (5685, 14317)]