81081105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1759}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 148684800

約数和(自身を除く): 67603695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 439, 1317, 1759, 2195, 3073, 5277, 6585, 8795, 9219, 12313, 15365, 26385, 36939, 46095, 61565, 184695, 772201, 2316603, 3861005, 5405407, 11583015, 16216221, 27027035, 81081105]

約数ペア:

[(1, 81081105), (3, 27027035), (5, 16216221), (7, 11583015), (15, 5405407), (21, 3861005), (35, 2316603), (105, 772201), (439, 184695), (1317, 61565), (1759, 46095), (2195, 36939), (3073, 26385), (5277, 15365), (6585, 12313), (8795, 9219)]