71317701

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 133392896

約数和(自身を除く): 62075195

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 53, 63, 91, 93, 117, 159, 217, 273, 279, 371, 403, 477, 651, 689, 819, 1113, 1209, 1643, 1953, 2067, 2809, 2821, 3339, 3627, 4823, 4929, 6201, 8427, 8463, 11501, 14469, 14787, 19663, 21359, 25281, 25389, 34503, 36517, 43407, 58989, 64077, 87079, 103509, 109551, 149513, 176967, 192231, 255619, 261237, 328653, 448539, 609553, 766857, 783711, 1132027, 1345617, 1828659, 2300571, 3396081, 5485977, 7924189, 10188243, 23772567, 71317701]

約数ペア:

[(1, 71317701), (3, 23772567), (7, 10188243), (9, 7924189), (13, 5485977), (21, 3396081), (31, 2300571), (39, 1828659), (53, 1345617), (63, 1132027), (91, 783711), (93, 766857), (117, 609553), (159, 448539), (217, 328653), (273, 261237), (279, 255619), (371, 192231), (403, 176967), (477, 149513), (651, 109551), (689, 103509), (819, 87079), (1113, 64077), (1209, 58989), (1643, 43407), (1953, 36517), (2067, 34503), (2809, 25389), (2821, 25281), (3339, 21359), (3627, 19663), (4823, 14787), (4929, 14469), (6201, 11501), (8427, 8463)]