258960009

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{10477}}^1$

素因数の和:10605

約数の個数: 32

約数和(自身を含む): 434543616

約数和(自身を除く): 175583607

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 1177, 2247, 3531, 8239, 10477, 24717, 31431, 73339, 115247, 220017, 345741, 806729, 1121039, 2420187, 3363117, 7847273, 12331429, 23541819, 36994287, 86320003, 258960009]

約数ペア:

[(1, 258960009), (3, 86320003), (7, 36994287), (11, 23541819), (21, 12331429), (33, 7847273), (77, 3363117), (107, 2420187), (231, 1121039), (321, 806729), (749, 345741), (1177, 220017), (2247, 115247), (3531, 73339), (8239, 31431), (10477, 24717)]