1999991091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{33641}}^1$

素因数の和:33819

約数の個数: 32

約数和(自身を含む): 3229632000

約数和(自身を除く): 1229640909

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2831, 3129, 8493, 19817, 33641, 59451, 100923, 235487, 639179, 706461, 1917537, 4474253, 5012509, 13422759, 15037527, 35087563, 95237671, 105262689, 285713013, 666663697, 1999991091]

約数ペア:

[(1, 1999991091), (3, 666663697), (7, 285713013), (19, 105262689), (21, 95237671), (57, 35087563), (133, 15037527), (149, 13422759), (399, 5012509), (447, 4474253), (1043, 1917537), (2831, 706461), (3129, 639179), (8493, 235487), (19817, 100923), (33641, 59451)]