28287903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2287}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 46858240

約数和(自身を除く): 18570337

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2287, 4123, 6861, 12369, 16009, 43453, 48027, 70897, 130359, 212691, 304171, 496279, 912513, 1347043, 1488837, 4041129, 9429301, 28287903]

約数ペア:

[(1, 28287903), (3, 9429301), (7, 4041129), (19, 1488837), (21, 1347043), (31, 912513), (57, 496279), (93, 304171), (133, 212691), (217, 130359), (399, 70897), (589, 48027), (651, 43453), (1767, 16009), (2287, 12369), (4123, 6861)]