7903791

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 14745600

約数和(自身を除く): 6841809

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 71, 93, 133, 171, 189, 213, 217, 279, 399, 497, 513, 589, 639, 651, 837, 1197, 1349, 1491, 1767, 1917, 1953, 2201, 3591, 4047, 4123, 4473, 5301, 5859, 6603, 9443, 12141, 12369, 13419, 15407, 15903, 19809, 28329, 36423, 37107, 41819, 46221, 59427, 84987, 111321, 125457, 138663, 254961, 292733, 376371, 415989, 878199, 1129113, 2634597, 7903791]

約数ペア:

[(1, 7903791), (3, 2634597), (7, 1129113), (9, 878199), (19, 415989), (21, 376371), (27, 292733), (31, 254961), (57, 138663), (63, 125457), (71, 111321), (93, 84987), (133, 59427), (171, 46221), (189, 41819), (213, 37107), (217, 36423), (279, 28329), (399, 19809), (497, 15903), (513, 15407), (589, 13419), (639, 12369), (651, 12141), (837, 9443), (1197, 6603), (1349, 5859), (1491, 5301), (1767, 4473), (1917, 4123), (1953, 4047), (2201, 3591)]