13251777981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{380503}}^1$

素因数の和:380585

約数の個数: 32

約数和(自身を含む): 20455895040

約数和(自身を除く): 7204117059

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 611, 741, 893, 1833, 2679, 11609, 34827, 380503, 1141509, 4946539, 7229557, 14839617, 17883641, 21688671, 53650923, 93984241, 232487333, 281952723, 339789179, 697461999, 1019367537, 4417259327, 13251777981]

約数ペア:

[(1, 13251777981), (3, 4417259327), (13, 1019367537), (19, 697461999), (39, 339789179), (47, 281952723), (57, 232487333), (141, 93984241), (247, 53650923), (611, 21688671), (741, 17883641), (893, 14839617), (1833, 7229557), (2679, 4946539), (11609, 1141509), (34827, 380503)]