648488049

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1\times {\mathrm{19991}}^1$

素因数の和:20988

約数の個数: 16

約数和(自身を含む): 944262144

約数和(自身を除く): 295774095

約数列:

[1, 3, 11, 33, 983, 2949, 10813, 19991, 32439, 59973, 219901, 659703, 19651153, 58953459, 216162683, 648488049]

約数ペア:

[(1, 648488049), (3, 216162683), (11, 58953459), (33, 19651153), (983, 659703), (2949, 219901), (10813, 59973), (19991, 32439)]