42872427

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 36

約数和(自身を含む): 68172624

約数和(自身を除く): 25300197

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 397, 507, 639, 923, 1191, 1521, 2769, 3573, 5161, 8307, 11999, 15483, 28187, 35997, 46449, 67093, 84561, 107991, 201279, 253683, 366431, 603837, 1099293, 3297879, 4763603, 14290809, 42872427]

約数ペア:

[(1, 42872427), (3, 14290809), (9, 4763603), (13, 3297879), (39, 1099293), (71, 603837), (117, 366431), (169, 253683), (213, 201279), (397, 107991), (507, 84561), (639, 67093), (923, 46449), (1191, 35997), (1521, 28187), (2769, 15483), (3573, 11999), (5161, 8307)]