212163555

素因数分解:

$3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{28807}}^1$

素因数の和:29306

約数の個数: 16

約数和(自身を含む): 340164864

約数和(自身を除く): 128001309

約数列:

[1, 3, 5, 15, 491, 1473, 2455, 7365, 28807, 86421, 144035, 432105, 14144237, 42432711, 70721185, 212163555]

約数ペア:

[(1, 212163555), (3, 70721185), (5, 42432711), (15, 14144237), (491, 432105), (1473, 144035), (2455, 86421), (7365, 28807)]