28341141

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13130859

約数列:

[1, 3, 19, 47, 57, 71, 141, 149, 213, 447, 893, 1349, 2679, 2831, 3337, 4047, 7003, 8493, 10011, 10579, 21009, 31737, 63403, 133057, 190209, 201001, 399171, 497213, 603003, 1491639, 9447047, 28341141]

約数ペア:

[(1, 28341141), (3, 9447047), (19, 1491639), (47, 603003), (57, 497213), (71, 399171), (141, 201001), (149, 190209), (213, 133057), (447, 63403), (893, 31737), (1349, 21009), (2679, 10579), (2831, 10011), (3337, 8493), (4047, 7003)]