8240187

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 11531520

約数和(自身を除く): 3291333

約数列:

[1, 3, 23, 69, 307, 389, 921, 1167, 7061, 8947, 21183, 26841, 119423, 358269, 2746729, 8240187]

約数ペア:

[(1, 8240187), (3, 2746729), (23, 358269), (69, 119423), (307, 26841), (389, 21183), (921, 8947), (1167, 7061)]