13287213

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 21120000

約数和(自身を除く): 7832787

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 439, 513, 531, 1121, 1317, 1593, 3363, 3951, 8341, 10089, 11853, 25023, 25901, 30267, 75069, 77703, 225207, 233109, 492119, 699327, 1476357, 4429071, 13287213]

約数ペア:

[(1, 13287213), (3, 4429071), (9, 1476357), (19, 699327), (27, 492119), (57, 233109), (59, 225207), (171, 77703), (177, 75069), (439, 30267), (513, 25901), (531, 25023), (1121, 11853), (1317, 10089), (1593, 8341), (3363, 3951)]