66716559

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 125055840

約数和(自身を除く): 58339281

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 53, 63, 87, 91, 117, 159, 203, 261, 273, 371, 377, 477, 609, 689, 819, 1113, 1131, 1537, 1827, 2067, 2639, 2809, 3339, 3393, 4611, 4823, 6201, 7917, 8427, 10759, 13833, 14469, 19663, 19981, 23751, 25281, 32277, 36517, 43407, 58989, 59943, 81461, 96831, 109551, 139867, 176967, 179829, 244383, 255619, 328653, 419601, 570227, 733149, 766857, 1058993, 1258803, 1710681, 2300571, 3176979, 5132043, 7412951, 9530937, 22238853, 66716559]

約数ペア:

[(1, 66716559), (3, 22238853), (7, 9530937), (9, 7412951), (13, 5132043), (21, 3176979), (29, 2300571), (39, 1710681), (53, 1258803), (63, 1058993), (87, 766857), (91, 733149), (117, 570227), (159, 419601), (203, 328653), (261, 255619), (273, 244383), (371, 179829), (377, 176967), (477, 139867), (609, 109551), (689, 96831), (819, 81461), (1113, 59943), (1131, 58989), (1537, 43407), (1827, 36517), (2067, 32277), (2639, 25281), (2809, 23751), (3339, 19981), (3393, 19663), (4611, 14469), (4823, 13833), (6201, 10759), (7917, 8427)]