28687029

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18713}}^1$

素因数の和:18796

約数の個数: 16

約数和(自身を含む): 44314752

約数和(自身を除く): 15627723

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 18713, 56139, 130991, 392973, 1366049, 4098147, 9562343, 28687029]

約数ペア:

[(1, 28687029), (3, 9562343), (7, 4098147), (21, 1366049), (73, 392973), (219, 130991), (511, 56139), (1533, 18713)]