291248811

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90647}}^1$

素因数の和:90680

約数の個数: 32

約数和(自身を含む): 522132480

約数和(自身を除く): 230883669

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 90647, 271941, 634529, 815823, 1540999, 1903587, 2447469, 4622997, 5710761, 10786993, 13868991, 17132283, 32360979, 41606973, 97082937, 291248811]

約数ペア:

[(1, 291248811), (3, 97082937), (7, 41606973), (9, 32360979), (17, 17132283), (21, 13868991), (27, 10786993), (51, 5710761), (63, 4622997), (119, 2447469), (153, 1903587), (189, 1540999), (357, 815823), (459, 634529), (1071, 271941), (3213, 90647)]