87831891

素因数分解:

$3^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{859}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 149158400

約数和(自身を除く): 61326509

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 541, 859, 1623, 2577, 3787, 4869, 6013, 7731, 11361, 14607, 18039, 23193, 34083, 54117, 102249, 162351, 464719, 1394157, 3253033, 4182471, 9759099, 12547413, 29277297, 87831891]

約数ペア:

[(1, 87831891), (3, 29277297), (7, 12547413), (9, 9759099), (21, 4182471), (27, 3253033), (63, 1394157), (189, 464719), (541, 162351), (859, 102249), (1623, 54117), (2577, 34083), (3787, 23193), (4869, 18039), (6013, 14607), (7731, 11361)]